sys/base64: fix a documentation confusion
sys/base64: fix a documentation confusion

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