examples/rpl_udp: changed type of variable `chan` to `uint32_t`
examples/rpl_udp: changed type of variable `chan` to `uint32_t`

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