sys: net: gnrc: uhcpc: fix pedantic errors
sys: net: gnrc: uhcpc: fix pedantic errors

jbeyerstedt/RIOT-OTA-update,roberthartung/RIOT,gautric/RIOT,rajma996/RIOT,yogo1212/RIOT,x3ro/RIOT,wentaoshang/RIOT,LudwigKnuepfer/RIOT,immesys/RiSyn,rakendrathapa/RIOT,jbeyerstedt/RIOT-OTA-update,A-Paul/RIOT,beurdouche/RIOT,LudwigOrtmann/RIOT,x3ro/RIOT,aeneby/RIOT,beurdouche/RIOT,backenklee/RIOT,mfrey/RIOT,OTAkeys/RIOT,roberthartung/RIOT,altairpearl/RIOT,syin2/RIOT,rousselk/RIOT,neumodisch/RIOT,plushvoxel/RIOT,aeneby/RIOT,altairpearl/RIOT,kb2ma/RIOT,rakendrathapa/RIOT,FrancescoErmini/RIOT,d00616/RIOT,jfischer-phytec-iot/RIOT,plushvoxel/RIOT,mtausig/RIOT,plushvoxel/RIOT,rousselk/RIOT,asanka-code/RIOT,mfrey/RIOT,OlegHahm/RIOT,malosek/RIOT,lazytech-org/RIOT,jasonatran/RIOT,BytesGalore/RIOT,lazytech-org/RIOT,OTAkeys/RIOT,Hyungsin/RIOT-OS,avmelnikoff/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,brettswann/RIOT,neumodisch/RIOT,FrancescoErmini/RIOT,asanka-code/RIOT,rousselk/RIOT,rfuentess/RIOT,ant9000/RIOT,A-Paul/RIOT,malosek/RIOT,katezilla/RIOT,OTAkeys/RIOT,authmillenon/RIOT,OTAkeys/RIOT,attdona/RIOT,rfuentess/RIOT,thomaseichinger/RIOT,smlng/RIOT,asanka-code/RIOT,BytesGalore/RIOT,kbumsik/RIOT,jasonatran/RIOT,beurdouche/RIOT,gautric/RIOT,kYc0o/RIOT,LudwigKnuepfer/RIOT,yogo1212/RIOT,RIOT-OS/RIOT,dailab/RIOT,Josar/RIOT,rajma996/RIOT,hamilton-mote/RIOT-OS,alignan/RIOT,zhuoshuguo/RIOT,neumodisch/RIOT,zhuoshuguo/RIOT,rousselk/RIOT,toonst/RIOT,jasonatran/RIOT,x3ro/RIOT,wentaoshang/RIOT,alignan/RIOT,tfar/RIOT,jbeyerstedt/RIOT-OTA-update,authmillenon/RIOT,asanka-code/RIOT,wentaoshang/RIOT,dailab/RIOT,immesys/RiSyn,x3ro/RIOT,FrancescoErmini/RIOT,jremmert-phytec-iot/RIOT,neiljay/RIOT,rfuentess/RIOT,gautric/RIOT,ant9000/RIOT,josephnoir/RIOT,rajma996/RIOT,FrancescoErmini/RIOT,kaleb-himes/RIOT,brettswann/RIOT,alignan/RIOT,RIOT-OS/RIOT,dailab/RIOT,dkm/RIOT,tfar/RIOT,syin2/RIOT,mtausig/RIOT,avmelnikoff/RIOT,tfar/RIOT,basilfx/RIOT,altairpearl/RIOT,toonst/RIOT,josephnoir/RIOT,rajma996/RIOT,neumodisch/RIOT,jremmert-phytec-iot/RIOT,kaleb-himes/RIOT,Hyungsin/RIOT-OS,altairpearl/RIOT,d00616/RIOT,ant9000/RIOT,kerneltask/RIOT,rfuentess/RIOT,asanka-code/RIOT,miri64/RIOT,hamilton-mote/RIOT-OS,ant9000/RIOT,yogo1212/RIOT,miri64/RIOT,alignan/RIOT,hamilton-mote/RIOT-OS,roberthartung/RIOT,immesys/RiSyn,basilfx/RIOT,kaspar030/RIOT,Hyungsin/RIOT-OS,kaleb-himes/RIOT,TobiasFredersdorf/RIOT,neiljay/RIOT,d00616/RIOT,rousselk/RIOT,biboc/RIOT,ks156/RIOT,rousselk/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,ks156/RIOT,neumodisch/RIOT,attdona/RIOT,adjih/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,ant9000/RIOT,LudwigKnuepfer/RIOT,wentaoshang/RIOT,thomaseichinger/RIOT,dkm/RIOT,kaspar030/RIOT,brettswann/RIOT,dkm/RIOT,gautric/RIOT,TobiasFredersdorf/RIOT,Ell-i/RIOT,smlng/RIOT,zhuoshuguo/RIOT,Josar/RIOT,basilfx/RIOT,immesys/RiSyn,smlng/RIOT,biboc/RIOT,kerneltask/RIOT,BytesGalore/RIOT,mtausig/RIOT,authmillenon/RIOT,kb2ma/RIOT,authmillenon/RIOT,neumodisch/RIOT,rakendrathapa/RIOT,OlegHahm/RIOT,A-Paul/RIOT,kbumsik/RIOT,TobiasFredersdorf/RIOT,OTAkeys/RIOT,x3ro/RIOT,avmelnikoff/RIOT,malosek/RIOT,roberthartung/RIOT,mtausig/RIOT,gautric/RIOT,kbumsik/RIOT,syin2/RIOT,toonst/RIOT,jremmert-phytec-iot/RIOT,zhuoshuguo/RIOT,kerneltask/RIOT,thomaseichinger/RIOT,kYc0o/RIOT,Josar/RIOT,backenklee/RIOT,LudwigKnuepfer/RIOT,toonst/RIOT,kYc0o/RIOT,miri64/RIOT,jfischer-phytec-iot/RIOT,jremmert-phytec-iot/RIOT,ks156/RIOT,adjih/RIOT,katezilla/RIOT,rajma996/RIOT,thomaseichinger/RIOT,kerneltask/RIOT,dkm/RIOT,kYc0o/RIOT,attdona/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,basilfx/RIOT,adrianghc/RIOT,Josar/RIOT,yogo1212/RIOT,LudwigOrtmann/RIOT,rakendrathapa/RIOT,josephnoir/RIOT,rfuentess/RIOT,cladmi/RIOT,cladmi/RIOT,kb2ma/RIOT,rajma996/RIOT,backenklee/RIOT,mfrey/RIOT,mfrey/RIOT,roberthartung/RIOT,beurdouche/RIOT,kaleb-himes/RIOT,syin2/RIOT,wentaoshang/RIOT,basilfx/RIOT,attdona/RIOT,dailab/RIOT,smlng/RIOT,malosek/RIOT,immesys/RiSyn,BytesGalore/RIOT,LudwigOrtmann/RIOT,altairpearl/RIOT,tfar/RIOT,cladmi/RIOT,beurdouche/RIOT,neiljay/RIOT,altairpearl/RIOT,jasonatran/RIOT,yogo1212/RIOT,neiljay/RIOT,OlegHahm/RIOT,kbumsik/RIOT,smlng/RIOT,Hyungsin/RIOT-OS,zhuoshuguo/RIOT,RIOT-OS/RIOT,josephnoir/RIOT,RIOT-OS/RIOT,adrianghc/RIOT,Ell-i/RIOT,brettswann/RIOT,hamilton-mote/RIOT-OS,LudwigOrtmann/RIOT,mfrey/RIOT,katezilla/RIOT,kbumsik/RIOT,biboc/RIOT,authmillenon/RIOT,Josar/RIOT,kaspar030/RIOT,kaspar030/RIOT,gebart/RIOT,cladmi/RIOT,aeneby/RIOT,ks156/RIOT,LudwigOrtmann/RIOT,kaspar030/RIOT,jbeyerstedt/RIOT-OTA-update,TobiasFredersdorf/RIOT,hamilton-mote/RIOT-OS,lazytech-org/RIOT,brettswann/RIOT,Hyungsin/RIOT-OS,zhuoshuguo/RIOT,jfischer-phytec-iot/RIOT,syin2/RIOT,adrianghc/RIOT,katezilla/RIOT,malosek/RIOT,avmelnikoff/RIOT,katezilla/RIOT,Ell-i/RIOT,adrianghc/RIOT,OlegHahm/RIOT,BytesGalore/RIOT,Ell-i/RIOT,plushvoxel/RIOT,TobiasFredersdorf/RIOT,kerneltask/RIOT,alignan/RIOT,yogo1212/RIOT,avmelnikoff/RIOT,d00616/RIOT,jasonatran/RIOT,attdona/RIOT,tfar/RIOT,thomaseichinger/RIOT,kb2ma/RIOT,lazytech-org/RIOT,d00616/RIOT,biboc/RIOT,miri64/RIOT,attdona/RIOT,kb2ma/RIOT,brettswann/RIOT,jfischer-phytec-iot/RIOT,aeneby/RIOT,OlegHahm/RIOT,gebart/RIOT,rakendrathapa/RIOT,dailab/RIOT,jremmert-phytec-iot/RIOT,malosek/RIOT,aeneby/RIOT,cladmi/RIOT,josephnoir/RIOT,adjih/RIOT,jfischer-phytec-iot/RIOT,gebart/RIOT,kYc0o/RIOT,miri64/RIOT,ks156/RIOT,jremmert-phytec-iot/RIOT,backenklee/RIOT,gebart/RIOT,FrancescoErmini/RIOT,adjih/RIOT,RIOT-OS/RIOT,biboc/RIOT,A-Paul/RIOT,LudwigOrtmann/RIOT,immesys/RiSyn,asanka-code/RIOT,FrancescoErmini/RIOT,kaleb-himes/RIOT,gebart/RIOT,adjih/RIOT,backenklee/RIOT,A-Paul/RIOT,Ell-i/RIOT,mtausig/RIOT,neiljay/RIOT,lazytech-org/RIOT,plushvoxel/RIOT,wentaoshang/RIOT,toonst/RIOT,dkm/RIOT,authmillenon/RIOT,adrianghc/RIOT,rakendrathapa/RIOT,d00616/RIOT,LudwigKnuepfer/RIOT,jbeyerstedt/RIOT-OTA-update