base64: Use stddef.h for size_t
base64: Use stddef.h for size_t

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