gnrc_udp: fix #3707
gnrc_udp: fix #3707

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