sixlowpan: fix ipv6_addr_init_prefix
sixlowpan: fix ipv6_addr_init_prefix

toonst/RIOT,neiljay/RIOT,immesys/RiSyn,mfrey/RIOT,changbiao/RIOT,Yonezawa-T2/RIOT,l3nko/RIOT,Hyungsin/RIOT-OS,watr-li/RIOT,thomaseichinger/RIOT,altairpearl/RIOT,abkam07/RIOT,herrfz/RIOT,adrianghc/RIOT,herrfz/RIOT-old,Darredevil/RIOT,gautric/RIOT,kYc0o/RIOT,mziegert/RIOT,thiagohd/RIOT,fnack/RIOT,Ell-i/RIOT,koenning/RIOT,jferreir/RIOT,hamilton-mote/RIOT-OS,biboc/RIOT,Osblouf/RIOT,RBartz/RIOT,rfswarm/RIOT,abkam07/RIOT,LudwigKnuepfer/RIOT,jbeyerstedt/RIOT-OTA-update,jferreir/RIOT,kYc0o/RIOT,aeneby/RIOT,x3ro/RIOT,abp719/RIOT,JensErdmann/RIOT,Josar/RIOT,gautric/RIOT,kYc0o/RIOT,daniel-k/RIOT,jfischer-phytec-iot/RIOT,RubikonAlpha/RIOT,DipSwitch/RIOT,plushvoxel/RIOT,josephnoir/RIOT,rajma996/RIOT,Yonezawa-T2/RIOT,gbarnett/RIOT,stevenj/RIOT,1blankz7/RIOT,lazytech-org/RIOT,luciotorre/RIOT,plushvoxel/RIOT,PSHIVANI/Riot-Code,yogo1212/RIOT,LudwigKnuepfer/RIOT,rajma996/RIOT,MarkXYang/RIOT,DipSwitch/RIOT,abkam07/RIOT,rfswarm2/RIOT,JensErdmann/RIOT,OTAkeys/RIOT,MohmadAyman/RIOT,adrianghc/RIOT,watr-li/RIOT,rousselk/RIOT,MonsterCode8000/RIOT,chris-wood/RIOT,Darredevil/RIOT,mziegert/RIOT,latsku/RIOT,smlng/RIOT,cladmi/RIOT,Yonezawa-T2/RIOT,rakendrathapa/RIOT,ant9000/RIOT,dkm/RIOT,alex1818/RIOT,DipSwitch/RIOT,plushvoxel/RIOT,kb2ma/RIOT,rfuentess/RIOT,abp719/RIOT,x3ro/RIOT,alignan/RIOT,mtausig/RIOT,immesys/RiSyn,beurdouche/RIOT,ThanhVic/RIOT,ks156/RIOT,latsku/RIOT,biboc/RIOT,tdautc19841202/RIOT,d00616/RIOT,MarkXYang/RIOT,kushalsingh007/RIOT,altairpearl/RIOT,backenklee/RIOT,phiros/RIOT,gebart/RIOT,1blankz7/RIOT,fnack/RIOT,alex1818/RIOT,kaleb-himes/RIOT,kaspar030/RIOT,zhuoshuguo/RIOT,backenklee/RIOT,OlegHahm/RIOT,kbumsik/RIOT,ntrtrung/RIOT,tdautc19841202/RIOT,ks156/RIOT,authmillenon/RIOT,herrfz/RIOT,arvindpdmn/RIOT,dailab/RIOT,A-Paul/RIOT,haoyangyu/RIOT,adjih/RIOT,benoit-canet/RIOT,altairpearl/RIOT,BytesGalore/RIOT,backenklee/RIOT,jremmert-phytec-iot/RIOT,biboc/RIOT,1blankz7/RIOT,brettswann/RIOT,changbiao/RIOT,sgso/RIOT,arvindpdmn/RIOT,centurysys/RIOT,robixnai/RIOT,lazytech-org/RIOT,rfswarm/RIOT,phiros/RIOT,benoit-canet/RIOT,sgso/RIOT,ThanhVic/RIOT,A-Paul/RIOT,katezilla/RIOT,ant9000/RIOT,haoyangyu/RIOT,changbiao/RIOT,Osblouf/RIOT,Josar/RIOT,rfswarm2/RIOT,jremmert-phytec-iot/RIOT,tdautc19841202/RIOT,abp719/RIOT,malosek/RIOT,biboc/RIOT,shady33/RIOT,miri64/RIOT,RBartz/RIOT,jhollister/RIOT,kaspar030/RIOT,nsol-nmsu/RIOT,shady33/RIOT,jferreir/RIOT,AnonMall/RIOT,FrancescoErmini/RIOT,avmelnikoff/RIOT,emmanuelsearch/RIOT,biboc/RIOT,abp719/RIOT,EmuxEvans/RIOT,lebrush/RIOT,sgso/RIOT,toonst/RIOT,beurdouche/RIOT,dailab/RIOT,mfrey/RIOT,ThanhVic/RIOT,rfswarm/RIOT,Ell-i/RIOT,gautric/RIOT,l3nko/RIOT,neiljay/RIOT,RBartz/RIOT,ntrtrung/RIOT,rajma996/RIOT,thiagohd/RIOT,sumanpanchal/RIOT,yogo1212/RIOT,dhruvvyas90/RIOT,MonsterCode8000/RIOT,jferreir/RIOT,attdona/RIOT,zhuoshuguo/RIOT,Ell-i/RIOT,beurdouche/RIOT,abp719/RIOT,robixnai/RIOT,kaspar030/RIOT,Darredevil/RIOT,neumodisch/RIOT,shady33/RIOT,robixnai/RIOT,dhruvvyas90/RIOT,miri64/RIOT,sgso/RIOT,daniel-k/RIOT,yogo1212/RIOT,automote/RIOT,LudwigKnuepfer/RIOT,TobiasFredersdorf/RIOT,chris-wood/RIOT,tfar/RIOT,koenning/RIOT,asanka-code/RIOT,jhollister/RIOT,tfar/RIOT,jhollister/RIOT,A-Paul/RIOT,lebrush/RIOT,roberthartung/RIOT,jferreir/RIOT,stevenj/RIOT,phiros/RIOT,gbarnett/RIOT,binarylemon/RIOT,herrfz/RIOT-old,haoyangyu/RIOT,openkosmosorg/RIOT,d00616/RIOT,alignan/RIOT,herrfz/RIOT-old,attdona/RIOT,bartfaizoltan/RIOT,kerneltask/RIOT,l3nko/RIOT,luciotorre/RIOT,Josar/RIOT,syin2/RIOT,katezilla/RIOT,mziegert/RIOT,immesys/RiSyn,avmelnikoff/RIOT,koenning/RIOT,Josar/RIOT,RIOT-OS/RIOT,rousselk/RIOT,DipSwitch/RIOT,openkosmosorg/RIOT,RubikonAlpha/RIOT,luciotorre/RIOT,dkm/RIOT,Yonezawa-T2/RIOT,stevenj/RIOT,RIOT-OS/RIOT,kbumsik/RIOT,toonst/RIOT,latsku/RIOT,jfischer-phytec-iot/RIOT,rfuentess/RIOT,adrianghc/RIOT,rakendrathapa/RIOT,Hyungsin/RIOT-OS,kb2ma/RIOT,patkan/RIOT,yogo1212/RIOT,Lexandro92/RIOT-CoAP,thomaseichinger/RIOT,adrianghc/RIOT,RubikonAlpha/RIOT,locicontrols/RIOT,ntrtrung/RIOT,l3nko/RIOT,arvindpdmn/RIOT,rfuentess/RIOT,rajma996/RIOT,Lexandro92/RIOT-CoAP,bartfaizoltan/RIOT,centurysys/RIOT,msolters/RIOT,LudwigKnuepfer/RIOT,lebrush/RIOT,OlegHahm/RIOT,BytesGalore/RIOT,MohmadAyman/RIOT,jremmert-phytec-iot/RIOT,OlegHahm/RIOT,mziegert/RIOT,centurysys/RIOT,phiros/RIOT,ximus/RIOT,adjih/RIOT,MarkXYang/RIOT,kerneltask/RIOT,gbarnett/RIOT,phiros/RIOT,LudwigOrtmann/RIOT,nsol-nmsu/RIOT,gautric/RIOT,Lexandro92/RIOT-CoAP,thiagohd/RIOT,PSHIVANI/Riot-Code,plushvoxel/RIOT,miri64/RIOT,katezilla/RIOT,asanka-code/RIOT,chris-wood/RIOT,gebart/RIOT,sgso/RIOT,arvindpdmn/RIOT,dkm/RIOT,altairpearl/RIOT,hamilton-mote/RIOT-OS,abkam07/RIOT,Hyungsin/RIOT-OS,khhhh/RIOT,ks156/RIOT,neiljay/RIOT,d00616/RIOT,roberthartung/RIOT,dhruvvyas90/RIOT,msolters/RIOT,jhollister/RIOT,roberthartung/RIOT,ximus/RIOT,wentaoshang/RIOT,Lexandro92/RIOT-CoAP,MohmadAyman/RIOT,centurysys/RIOT,luciotorre/RIOT,alignan/RIOT,katezilla/RIOT,ant9000/RIOT,josephnoir/RIOT,haoyangyu/RIOT,rfswarm2/RIOT,benoit-canet/RIOT,kushalsingh007/RIOT,thomaseichinger/RIOT,RIOT-OS/RIOT,openkosmosorg/RIOT,binarylemon/RIOT,rakendrathapa/RIOT,BytesGalore/RIOT,herrfz/RIOT,dailab/RIOT,binarylemon/RIOT,DipSwitch/RIOT,LudwigOrtmann/RIOT,1blankz7/RIOT,emmanuelsearch/RIOT,neiljay/RIOT,jferreir/RIOT,cladmi/RIOT,ant9000/RIOT,alex1818/RIOT,MarkXYang/RIOT,automote/RIOT,automote/RIOT,changbiao/RIOT,jremmert-phytec-iot/RIOT,EmuxEvans/RIOT,RubikonAlpha/RIOT,kushalsingh007/RIOT,zhuoshuguo/RIOT,immesys/RiSyn,binarylemon/RIOT,daniel-k/RIOT,marcosalm/RIOT,MohmadAyman/RIOT,fnack/RIOT,rfswarm2/RIOT,zhuoshuguo/RIOT,marcosalm/RIOT,attdona/RIOT,sumanpanchal/RIOT,josephnoir/RIOT,Lexandro92/RIOT-CoAP,Darredevil/RIOT,stevenj/RIOT,jfischer-phytec-iot/RIOT,luciotorre/RIOT,mziegert/RIOT,RubikonAlpha/RIOT,alignan/RIOT,adjih/RIOT,ThanhVic/RIOT,lazytech-org/RIOT,AnonMall/RIOT,chris-wood/RIOT,sumanpanchal/RIOT,basilfx/RIOT,authmillenon/RIOT,kbumsik/RIOT,RBartz/RIOT,toonst/RIOT,aeneby/RIOT,emmanuelsearch/RIOT,TobiasFredersdorf/RIOT,jremmert-phytec-iot/RIOT,rousselk/RIOT,asanka-code/RIOT,basilfx/RIOT,Ell-i/RIOT,wentaoshang/RIOT,MonsterCode8000/RIOT,PSHIVANI/Riot-Code,katezilla/RIOT,FrancescoErmini/RIOT,jremmert-phytec-iot/RIOT,lazytech-org/RIOT,arvindpdmn/RIOT,daniel-k/RIOT,avmelnikoff/RIOT,fnack/RIOT,malosek/RIOT,rakendrathapa/RIOT,authmillenon/RIOT,authmillenon/RIOT,rfswarm2/RIOT,centurysys/RIOT,kushalsingh007/RIOT,syin2/RIOT,koenning/RIOT,thiagohd/RIOT,neumodisch/RIOT,malosek/RIOT,patkan/RIOT,TobiasFredersdorf/RIOT,yogo1212/RIOT,bartfaizoltan/RIOT,dailab/RIOT,jbeyerstedt/RIOT-OTA-update,adrianghc/RIOT,roberthartung/RIOT,thomaseichinger/RIOT,AnonMall/RIOT,PSHIVANI/Riot-Code,mtausig/RIOT,jfischer-phytec-iot/RIOT,dailab/RIOT,emmanuelsearch/RIOT,plushvoxel/RIOT,x3ro/RIOT,patkan/RIOT,kbumsik/RIOT,kaspar030/RIOT,lebrush/RIOT,phiros/RIOT,Ell-i/RIOT,benoit-canet/RIOT,1blankz7/RIOT,aeneby/RIOT,gebart/RIOT,sumanpanchal/RIOT,mfrey/RIOT,latsku/RIOT,latsku/RIOT,rfswarm/RIOT,watr-li/RIOT,FrancescoErmini/RIOT,smlng/RIOT,binarylemon/RIOT,rajma996/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,tdautc19841202/RIOT,syin2/RIOT,OTAkeys/RIOT,emmanuelsearch/RIOT,LudwigOrtmann/RIOT,msolters/RIOT,emmanuelsearch/RIOT,jhollister/RIOT,neumodisch/RIOT,attdona/RIOT,locicontrols/RIOT,jhollister/RIOT,stevenj/RIOT,kaleb-himes/RIOT,OlegHahm/RIOT,avmelnikoff/RIOT,FrancescoErmini/RIOT,wentaoshang/RIOT,jbeyerstedt/RIOT-OTA-update,changbiao/RIOT,brettswann/RIOT,JensErdmann/RIOT,jasonatran/RIOT,alex1818/RIOT,ntrtrung/RIOT,wentaoshang/RIOT,backenklee/RIOT,benoit-canet/RIOT,BytesGalore/RIOT,patkan/RIOT,sgso/RIOT,openkosmosorg/RIOT,1blankz7/RIOT,brettswann/RIOT,gbarnett/RIOT,toonst/RIOT,ximus/RIOT,Josar/RIOT,dhruvvyas90/RIOT,sumanpanchal/RIOT,tdautc19841202/RIOT,hamilton-mote/RIOT-OS,nsol-nmsu/RIOT,OTAkeys/RIOT,rousselk/RIOT,sumanpanchal/RIOT,Hyungsin/RIOT-OS,A-Paul/RIOT,cladmi/RIOT,stevenj/RIOT,jfischer-phytec-iot/RIOT,tfar/RIOT,centurysys/RIOT,locicontrols/RIOT,yogo1212/RIOT,MonsterCode8000/RIOT,lebrush/RIOT,rakendrathapa/RIOT,ks156/RIOT,MarkXYang/RIOT,adjih/RIOT,rfuentess/RIOT,TobiasFredersdorf/RIOT,miri64/RIOT,cladmi/RIOT,AnonMall/RIOT,dhruvvyas90/RIOT,LudwigKnuepfer/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,attdona/RIOT,openkosmosorg/RIOT,robixnai/RIOT,altairpearl/RIOT,TobiasFredersdorf/RIOT,bartfaizoltan/RIOT,avmelnikoff/RIOT,nsol-nmsu/RIOT,shady33/RIOT,kaleb-himes/RIOT,latsku/RIOT,RIOT-OS/RIOT,wentaoshang/RIOT,kbumsik/RIOT,hamilton-mote/RIOT-OS,abkam07/RIOT,gbarnett/RIOT,msolters/RIOT,jasonatran/RIOT,fnack/RIOT,Yonezawa-T2/RIOT,daniel-k/RIOT,altairpearl/RIOT,marcosalm/RIOT,fnack/RIOT,AnonMall/RIOT,miri64/RIOT,kushalsingh007/RIOT,brettswann/RIOT,rfswarm2/RIOT,kerneltask/RIOT,openkosmosorg/RIOT,OTAkeys/RIOT,watr-li/RIOT,kb2ma/RIOT,EmuxEvans/RIOT,Lexandro92/RIOT-CoAP,jasonatran/RIOT,bartfaizoltan/RIOT,marcosalm/RIOT,Yonezawa-T2/RIOT,kerneltask/RIOT,lazytech-org/RIOT,abkam07/RIOT,gautric/RIOT,Hyungsin/RIOT-OS,foss-for-synopsys-dwc-arc-processors/RIOT,jbeyerstedt/RIOT-OTA-update,Darredevil/RIOT,immesys/RiSyn,alex1818/RIOT,locicontrols/RIOT,neumodisch/RIOT,l3nko/RIOT,FrancescoErmini/RIOT,kYc0o/RIOT,josephnoir/RIOT,locicontrols/RIOT,herrfz/RIOT,automote/RIOT,herrfz/RIOT-old,herrfz/RIOT,ximus/RIOT,basilfx/RIOT,khhhh/RIOT,patkan/RIOT,josephnoir/RIOT,asanka-code/RIOT,locicontrols/RIOT,thiagohd/RIOT,koenning/RIOT,AnonMall/RIOT,JensErdmann/RIOT,kb2ma/RIOT,malosek/RIOT,ks156/RIOT,bartfaizoltan/RIOT,A-Paul/RIOT,tfar/RIOT,ThanhVic/RIOT,abp719/RIOT,patkan/RIOT,dkm/RIOT,gebart/RIOT,koenning/RIOT,chris-wood/RIOT,immesys/RiSyn,automote/RIOT,arvindpdmn/RIOT,attdona/RIOT,herrfz/RIOT-old,x3ro/RIOT,msolters/RIOT,tfar/RIOT,malosek/RIOT,rfswarm/RIOT,dhruvvyas90/RIOT,OTAkeys/RIOT,MohmadAyman/RIOT,mtausig/RIOT,ximus/RIOT,watr-li/RIOT,rousselk/RIOT,khhhh/RIOT,herrfz/RIOT,marcosalm/RIOT,kaleb-himes/RIOT,msolters/RIOT,BytesGalore/RIOT,khhhh/RIOT,alignan/RIOT,robixnai/RIOT,ntrtrung/RIOT,smlng/RIOT,MonsterCode8000/RIOT,khhhh/RIOT,OlegHahm/RIOT,marcosalm/RIOT,cladmi/RIOT,EmuxEvans/RIOT,PSHIVANI/Riot-Code,basilfx/RIOT,authmillenon/RIOT,khhhh/RIOT,nsol-nmsu/RIOT,asanka-code/RIOT,kYc0o/RIOT,daniel-k/RIOT,d00616/RIOT,ant9000/RIOT,MohmadAyman/RIOT,asanka-code/RIOT,benoit-canet/RIOT,zhuoshuguo/RIOT,rousselk/RIOT,LudwigOrtmann/RIOT,aeneby/RIOT,Darredevil/RIOT,gbarnett/RIOT,zhuoshuguo/RIOT,alex1818/RIOT,jbeyerstedt/RIOT-OTA-update,mtausig/RIOT,jasonatran/RIOT,beurdouche/RIOT,rfuentess/RIOT,Osblouf/RIOT,mziegert/RIOT,kaleb-himes/RIOT,backenklee/RIOT,rfswarm/RIOT,smlng/RIOT,shady33/RIOT,locicontrols/RIOT,syin2/RIOT,LudwigOrtmann/RIOT,x3ro/RIOT,ntrtrung/RIOT,thiagohd/RIOT,ThanhVic/RIOT,kushalsingh007/RIOT,RubikonAlpha/RIOT,d00616/RIOT,adjih/RIOT,gebart/RIOT,rajma996/RIOT,FrancescoErmini/RIOT,smlng/RIOT,changbiao/RIOT,JensErdmann/RIOT,binarylemon/RIOT,MarkXYang/RIOT,kb2ma/RIOT,neiljay/RIOT,EmuxEvans/RIOT,kaspar030/RIOT,RIOT-OS/RIOT,shady33/RIOT,EmuxEvans/RIOT,mtausig/RIOT,luciotorre/RIOT,d00616/RIOT,ximus/RIOT,neumodisch/RIOT,chris-wood/RIOT,Osblouf/RIOT,Osblouf/RIOT,tdautc19841202/RIOT,watr-li/RIOT,brettswann/RIOT,PSHIVANI/Riot-Code,kerneltask/RIOT,brettswann/RIOT,haoyangyu/RIOT,wentaoshang/RIOT,RBartz/RIOT,syin2/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,automote/RIOT,MonsterCode8000/RIOT,authmillenon/RIOT,mfrey/RIOT,thomaseichinger/RIOT,roberthartung/RIOT,jasonatran/RIOT,malosek/RIOT,LudwigOrtmann/RIOT,mfrey/RIOT,JensErdmann/RIOT,rakendrathapa/RIOT,dkm/RIOT,haoyangyu/RIOT,robixnai/RIOT,l3nko/RIOT,lebrush/RIOT,neumodisch/RIOT,DipSwitch/RIOT,RBartz/RIOT,beurdouche/RIOT,hamilton-mote/RIOT-OS,Osblouf/RIOT,basilfx/RIOT,aeneby/RIOT