pkg: microcoap: add compile warning fix
pkg: microcoap: add compile warning fix

stevenj/RIOT,MohmadAyman/RIOT,alignan/RIOT,attdona/RIOT,aeneby/RIOT,immesys/RiSyn,neumodisch/RIOT,roberthartung/RIOT,cladmi/RIOT,altairpearl/RIOT,brettswann/RIOT,BytesGalore/RIOT,lazytech-org/RIOT,RubikonAlpha/RIOT,rajma996/RIOT,syin2/RIOT,katezilla/RIOT,rfuentess/RIOT,LudwigKnuepfer/RIOT,TobiasFredersdorf/RIOT,OTAkeys/RIOT,hamilton-mote/RIOT-OS,kbumsik/RIOT,LudwigOrtmann/RIOT,attdona/RIOT,avmelnikoff/RIOT,tfar/RIOT,adrianghc/RIOT,d00616/RIOT,wentaoshang/RIOT,plushvoxel/RIOT,OlegHahm/RIOT,Ell-i/RIOT,smlng/RIOT,dailab/RIOT,yogo1212/RIOT,kYc0o/RIOT,rajma996/RIOT,altairpearl/RIOT,kerneltask/RIOT,avmelnikoff/RIOT,mziegert/RIOT,binarylemon/RIOT,l3nko/RIOT,jasonatran/RIOT,brettswann/RIOT,RBartz/RIOT,jbeyerstedt/RIOT-OTA-update,kerneltask/RIOT,ks156/RIOT,jfischer-phytec-iot/RIOT,immesys/RiSyn,altairpearl/RIOT,FrancescoErmini/RIOT,cladmi/RIOT,kbumsik/RIOT,thomaseichinger/RIOT,authmillenon/RIOT,beurdouche/RIOT,beurdouche/RIOT,RIOT-OS/RIOT,FrancescoErmini/RIOT,gebart/RIOT,Ell-i/RIOT,attdona/RIOT,RBartz/RIOT,mziegert/RIOT,LudwigKnuepfer/RIOT,biboc/RIOT,malosek/RIOT,mtausig/RIOT,roberthartung/RIOT,TobiasFredersdorf/RIOT,rakendrathapa/RIOT,adrianghc/RIOT,neumodisch/RIOT,jasonatran/RIOT,gautric/RIOT,brettswann/RIOT,neiljay/RIOT,l3nko/RIOT,gebart/RIOT,mfrey/RIOT,kb2ma/RIOT,authmillenon/RIOT,josephnoir/RIOT,Yonezawa-T2/RIOT,lazytech-org/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,l3nko/RIOT,TobiasFredersdorf/RIOT,zhuoshuguo/RIOT,ant9000/RIOT,thomaseichinger/RIOT,ant9000/RIOT,immesys/RiSyn,kYc0o/RIOT,Yonezawa-T2/RIOT,roberthartung/RIOT,Yonezawa-T2/RIOT,RBartz/RIOT,kbumsik/RIOT,A-Paul/RIOT,MohmadAyman/RIOT,neiljay/RIOT,OlegHahm/RIOT,zhuoshuguo/RIOT,A-Paul/RIOT,thomaseichinger/RIOT,jremmert-phytec-iot/RIOT,d00616/RIOT,josephnoir/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,kaspar030/RIOT,mfrey/RIOT,altairpearl/RIOT,toonst/RIOT,dailab/RIOT,Yonezawa-T2/RIOT,smlng/RIOT,l3nko/RIOT,neumodisch/RIOT,rousselk/RIOT,syin2/RIOT,toonst/RIOT,mziegert/RIOT,attdona/RIOT,jremmert-phytec-iot/RIOT,rousselk/RIOT,A-Paul/RIOT,jbeyerstedt/RIOT-OTA-update,Josar/RIOT,FrancescoErmini/RIOT,rajma996/RIOT,authmillenon/RIOT,neiljay/RIOT,gautric/RIOT,immesys/RiSyn,RubikonAlpha/RIOT,ks156/RIOT,binarylemon/RIOT,TobiasFredersdorf/RIOT,ant9000/RIOT,yogo1212/RIOT,altairpearl/RIOT,wentaoshang/RIOT,kerneltask/RIOT,BytesGalore/RIOT,adjih/RIOT,gebart/RIOT,toonst/RIOT,mziegert/RIOT,backenklee/RIOT,FrancescoErmini/RIOT,FrancescoErmini/RIOT,attdona/RIOT,l3nko/RIOT,adjih/RIOT,yogo1212/RIOT,brettswann/RIOT,A-Paul/RIOT,dailab/RIOT,rakendrathapa/RIOT,authmillenon/RIOT,tfar/RIOT,asanka-code/RIOT,cladmi/RIOT,OTAkeys/RIOT,neumodisch/RIOT,avmelnikoff/RIOT,LudwigOrtmann/RIOT,josephnoir/RIOT,OTAkeys/RIOT,authmillenon/RIOT,LudwigOrtmann/RIOT,Josar/RIOT,avmelnikoff/RIOT,RubikonAlpha/RIOT,kb2ma/RIOT,jfischer-phytec-iot/RIOT,RBartz/RIOT,shady33/RIOT,x3ro/RIOT,RubikonAlpha/RIOT,syin2/RIOT,LudwigKnuepfer/RIOT,asanka-code/RIOT,adjih/RIOT,rfuentess/RIOT,tfar/RIOT,tfar/RIOT,kerneltask/RIOT,backenklee/RIOT,backenklee/RIOT,plushvoxel/RIOT,alignan/RIOT,malosek/RIOT,biboc/RIOT,rfuentess/RIOT,miri64/RIOT,Hyungsin/RIOT-OS,roberthartung/RIOT,MohmadAyman/RIOT,mziegert/RIOT,shady33/RIOT,jbeyerstedt/RIOT-OTA-update,basilfx/RIOT,malosek/RIOT,mtausig/RIOT,Josar/RIOT,MohmadAyman/RIOT,smlng/RIOT,jbeyerstedt/RIOT-OTA-update,kaleb-himes/RIOT,basilfx/RIOT,kb2ma/RIOT,rakendrathapa/RIOT,beurdouche/RIOT,dkm/RIOT,binarylemon/RIOT,ks156/RIOT,kb2ma/RIOT,zhuoshuguo/RIOT,backenklee/RIOT,kbumsik/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,zhuoshuguo/RIOT,stevenj/RIOT,rfuentess/RIOT,neumodisch/RIOT,shady33/RIOT,miri64/RIOT,jasonatran/RIOT,l3nko/RIOT,binarylemon/RIOT,Ell-i/RIOT,kaleb-himes/RIOT,kb2ma/RIOT,hamilton-mote/RIOT-OS,lazytech-org/RIOT,shady33/RIOT,mtausig/RIOT,mfrey/RIOT,katezilla/RIOT,dailab/RIOT,miri64/RIOT,kaleb-himes/RIOT,backenklee/RIOT,stevenj/RIOT,hamilton-mote/RIOT-OS,Hyungsin/RIOT-OS,x3ro/RIOT,immesys/RiSyn,malosek/RIOT,x3ro/RIOT,wentaoshang/RIOT,adrianghc/RIOT,d00616/RIOT,neiljay/RIOT,binarylemon/RIOT,gebart/RIOT,rousselk/RIOT,rajma996/RIOT,stevenj/RIOT,biboc/RIOT,malosek/RIOT,asanka-code/RIOT,rousselk/RIOT,mtausig/RIOT,gautric/RIOT,BytesGalore/RIOT,attdona/RIOT,kbumsik/RIOT,biboc/RIOT,shady33/RIOT,asanka-code/RIOT,lazytech-org/RIOT,jbeyerstedt/RIOT-OTA-update,syin2/RIOT,Josar/RIOT,asanka-code/RIOT,miri64/RIOT,d00616/RIOT,A-Paul/RIOT,kaleb-himes/RIOT,OlegHahm/RIOT,rajma996/RIOT,beurdouche/RIOT,smlng/RIOT,kaspar030/RIOT,biboc/RIOT,binarylemon/RIOT,wentaoshang/RIOT,roberthartung/RIOT,adjih/RIOT,avmelnikoff/RIOT,mziegert/RIOT,rakendrathapa/RIOT,mtausig/RIOT,RBartz/RIOT,plushvoxel/RIOT,smlng/RIOT,shady33/RIOT,Ell-i/RIOT,miri64/RIOT,gebart/RIOT,Hyungsin/RIOT-OS,cladmi/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,toonst/RIOT,RIOT-OS/RIOT,dkm/RIOT,gautric/RIOT,ant9000/RIOT,Yonezawa-T2/RIOT,zhuoshuguo/RIOT,malosek/RIOT,TobiasFredersdorf/RIOT,ks156/RIOT,neiljay/RIOT,aeneby/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,kaleb-himes/RIOT,LudwigOrtmann/RIOT,LudwigOrtmann/RIOT,adrianghc/RIOT,Ell-i/RIOT,kYc0o/RIOT,jremmert-phytec-iot/RIOT,aeneby/RIOT,adjih/RIOT,katezilla/RIOT,josephnoir/RIOT,alignan/RIOT,d00616/RIOT,kaspar030/RIOT,RubikonAlpha/RIOT,plushvoxel/RIOT,authmillenon/RIOT,RubikonAlpha/RIOT,brettswann/RIOT,rfuentess/RIOT,dailab/RIOT,stevenj/RIOT,Hyungsin/RIOT-OS,lazytech-org/RIOT,syin2/RIOT,OTAkeys/RIOT,dkm/RIOT,basilfx/RIOT,RIOT-OS/RIOT,beurdouche/RIOT,thomaseichinger/RIOT,rakendrathapa/RIOT,aeneby/RIOT,kerneltask/RIOT,wentaoshang/RIOT,x3ro/RIOT,josephnoir/RIOT,stevenj/RIOT,alignan/RIOT,zhuoshuguo/RIOT,dkm/RIOT,katezilla/RIOT,mfrey/RIOT,OlegHahm/RIOT,rousselk/RIOT,jremmert-phytec-iot/RIOT,ks156/RIOT,kYc0o/RIOT,ant9000/RIOT,alignan/RIOT,aeneby/RIOT,d00616/RIOT,jasonatran/RIOT,hamilton-mote/RIOT-OS,FrancescoErmini/RIOT,OlegHahm/RIOT,jfischer-phytec-iot/RIOT,MohmadAyman/RIOT,Yonezawa-T2/RIOT,toonst/RIOT,immesys/RiSyn,cladmi/RIOT,RIOT-OS/RIOT,basilfx/RIOT,plushvoxel/RIOT,rakendrathapa/RIOT,gautric/RIOT,wentaoshang/RIOT,Josar/RIOT,yogo1212/RIOT,LudwigOrtmann/RIOT,basilfx/RIOT,asanka-code/RIOT,jfischer-phytec-iot/RIOT,kYc0o/RIOT,dkm/RIOT,MohmadAyman/RIOT,adrianghc/RIOT,jremmert-phytec-iot/RIOT,jfischer-phytec-iot/RIOT,rousselk/RIOT,BytesGalore/RIOT,hamilton-mote/RIOT-OS,rajma996/RIOT,mfrey/RIOT,LudwigKnuepfer/RIOT,yogo1212/RIOT,jremmert-phytec-iot/RIOT,jasonatran/RIOT,neumodisch/RIOT,brettswann/RIOT,altairpearl/RIOT,tfar/RIOT,OTAkeys/RIOT,LudwigKnuepfer/RIOT,x3ro/RIOT,kaspar030/RIOT,RBartz/RIOT,BytesGalore/RIOT,kaspar030/RIOT,RIOT-OS/RIOT,katezilla/RIOT,yogo1212/RIOT,Hyungsin/RIOT-OS,thomaseichinger/RIOT