pkg/libfixmath: use unsigned char for isdigit, isspace
pkg/libfixmath: use unsigned char for isdigit, isspace

Fixes riot/tests/libfixmath/bin/.../libfixmath-src/fix16_str.c:93:9: error: array subscript has type ‘char’ [-Werror=char-subscripts]

centurysys/RIOT,haoyangyu/RIOT,abkam07/RIOT,haoyangyu/RIOT,zhuoshuguo/RIOT,cladmi/RIOT,Josar/RIOT,mziegert/RIOT,altairpearl/RIOT,watr-li/RIOT,josephnoir/RIOT,plushvoxel/RIOT,latsku/RIOT,Lexandro92/RIOT-CoAP,hamilton-mote/RIOT-OS,avmelnikoff/RIOT,rajma996/RIOT,basilfx/RIOT,RubikonAlpha/RIOT,changbiao/RIOT,neiljay/RIOT,EmuxEvans/RIOT,kerneltask/RIOT,rfuentess/RIOT,daniel-k/RIOT,ThanhVic/RIOT,Ell-i/RIOT,Lexandro92/RIOT-CoAP,smlng/RIOT,roberthartung/RIOT,yogo1212/RIOT,latsku/RIOT,shady33/RIOT,MarkXYang/RIOT,l3nko/RIOT,smlng/RIOT,brettswann/RIOT,chris-wood/RIOT,roberthartung/RIOT,l3nko/RIOT,rfuentess/RIOT,hamilton-mote/RIOT-OS,patkan/RIOT,kushalsingh007/RIOT,avmelnikoff/RIOT,neumodisch/RIOT,herrfz/RIOT,TobiasFredersdorf/RIOT,abkam07/RIOT,A-Paul/RIOT,Hyungsin/RIOT-OS,mtausig/RIOT,gebart/RIOT,marcosalm/RIOT,MohmadAyman/RIOT,stevenj/RIOT,adjih/RIOT,MonsterCode8000/RIOT,jfischer-phytec-iot/RIOT,attdona/RIOT,latsku/RIOT,khhhh/RIOT,OTAkeys/RIOT,wentaoshang/RIOT,ximus/RIOT,Lexandro92/RIOT-CoAP,kb2ma/RIOT,tfar/RIOT,authmillenon/RIOT,RBartz/RIOT,gbarnett/RIOT,changbiao/RIOT,binarylemon/RIOT,OlegHahm/RIOT,dkm/RIOT,x3ro/RIOT,Yonezawa-T2/RIOT,kYc0o/RIOT,centurysys/RIOT,avmelnikoff/RIOT,tdautc19841202/RIOT,kaspar030/RIOT,OTAkeys/RIOT,RubikonAlpha/RIOT,watr-li/RIOT,rousselk/RIOT,beurdouche/RIOT,malosek/RIOT,zhuoshuguo/RIOT,ntrtrung/RIOT,arvindpdmn/RIOT,altairpearl/RIOT,BytesGalore/RIOT,abkam07/RIOT,toonst/RIOT,DipSwitch/RIOT,latsku/RIOT,RubikonAlpha/RIOT,smlng/RIOT,plushvoxel/RIOT,ntrtrung/RIOT,EmuxEvans/RIOT,PSHIVANI/Riot-Code,brettswann/RIOT,roberthartung/RIOT,ThanhVic/RIOT,dailab/RIOT,luciotorre/RIOT,BytesGalore/RIOT,beurdouche/RIOT,Ell-i/RIOT,backenklee/RIOT,Josar/RIOT,MarkXYang/RIOT,gebart/RIOT,ntrtrung/RIOT,neumodisch/RIOT,MonsterCode8000/RIOT,rakendrathapa/RIOT,abp719/RIOT,ThanhVic/RIOT,zhuoshuguo/RIOT,abp719/RIOT,latsku/RIOT,OlegHahm/RIOT,arvindpdmn/RIOT,PSHIVANI/Riot-Code,Josar/RIOT,katezilla/RIOT,aeneby/RIOT,jbeyerstedt/RIOT-OTA-update,aeneby/RIOT,DipSwitch/RIOT,lazytech-org/RIOT,miri64/RIOT,LudwigKnuepfer/RIOT,automote/RIOT,LudwigOrtmann/RIOT,watr-li/RIOT,josephnoir/RIOT,kbumsik/RIOT,mziegert/RIOT,ant9000/RIOT,herrfz/RIOT,aeneby/RIOT,gbarnett/RIOT,mziegert/RIOT,adjih/RIOT,miri64/RIOT,yogo1212/RIOT,openkosmosorg/RIOT,stevenj/RIOT,jasonatran/RIOT,thiagohd/RIOT,kaleb-himes/RIOT,kushalsingh007/RIOT,immesys/RiSyn,daniel-k/RIOT,Osblouf/RIOT,OTAkeys/RIOT,Osblouf/RIOT,abp719/RIOT,arvindpdmn/RIOT,daniel-k/RIOT,Yonezawa-T2/RIOT,immesys/RiSyn,kerneltask/RIOT,dhruvvyas90/RIOT,kb2ma/RIOT,jremmert-phytec-iot/RIOT,Ell-i/RIOT,EmuxEvans/RIOT,patkan/RIOT,hamilton-mote/RIOT-OS,mtausig/RIOT,jfischer-phytec-iot/RIOT,RubikonAlpha/RIOT,authmillenon/RIOT,thomaseichinger/RIOT,neumodisch/RIOT,backenklee/RIOT,msolters/RIOT,attdona/RIOT,ant9000/RIOT,kerneltask/RIOT,LudwigKnuepfer/RIOT,adrianghc/RIOT,stevenj/RIOT,biboc/RIOT,gautric/RIOT,tfar/RIOT,kb2ma/RIOT,dailab/RIOT,Hyungsin/RIOT-OS,LudwigOrtmann/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,khhhh/RIOT,abp719/RIOT,altairpearl/RIOT,MohmadAyman/RIOT,kbumsik/RIOT,centurysys/RIOT,OTAkeys/RIOT,neumodisch/RIOT,BytesGalore/RIOT,herrfz/RIOT,abp719/RIOT,biboc/RIOT,tdautc19841202/RIOT,kb2ma/RIOT,JensErdmann/RIOT,Hyungsin/RIOT-OS,RubikonAlpha/RIOT,altairpearl/RIOT,dkm/RIOT,jbeyerstedt/RIOT-OTA-update,asanka-code/RIOT,MohmadAyman/RIOT,RIOT-OS/RIOT,ks156/RIOT,immesys/RiSyn,daniel-k/RIOT,syin2/RIOT,thiagohd/RIOT,dkm/RIOT,alignan/RIOT,openkosmosorg/RIOT,chris-wood/RIOT,tfar/RIOT,gebart/RIOT,kaspar030/RIOT,MohmadAyman/RIOT,avmelnikoff/RIOT,thiagohd/RIOT,openkosmosorg/RIOT,abp719/RIOT,kYc0o/RIOT,thomaseichinger/RIOT,PSHIVANI/Riot-Code,thomaseichinger/RIOT,neiljay/RIOT,binarylemon/RIOT,binarylemon/RIOT,kbumsik/RIOT,rakendrathapa/RIOT,Darredevil/RIOT,patkan/RIOT,dhruvvyas90/RIOT,abkam07/RIOT,RIOT-OS/RIOT,Yonezawa-T2/RIOT,DipSwitch/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,koenning/RIOT,jasonatran/RIOT,backenklee/RIOT,ximus/RIOT,josephnoir/RIOT,backenklee/RIOT,dkm/RIOT,immesys/RiSyn,TobiasFredersdorf/RIOT,shady33/RIOT,rousselk/RIOT,koenning/RIOT,Ell-i/RIOT,wentaoshang/RIOT,kushalsingh007/RIOT,rajma996/RIOT,JensErdmann/RIOT,shady33/RIOT,d00616/RIOT,robixnai/RIOT,luciotorre/RIOT,katezilla/RIOT,jremmert-phytec-iot/RIOT,MarkXYang/RIOT,luciotorre/RIOT,A-Paul/RIOT,aeneby/RIOT,LudwigOrtmann/RIOT,kaspar030/RIOT,jremmert-phytec-iot/RIOT,MonsterCode8000/RIOT,cladmi/RIOT,stevenj/RIOT,JensErdmann/RIOT,jfischer-phytec-iot/RIOT,lazytech-org/RIOT,automote/RIOT,ThanhVic/RIOT,syin2/RIOT,Josar/RIOT,A-Paul/RIOT,gautric/RIOT,basilfx/RIOT,tfar/RIOT,malosek/RIOT,toonst/RIOT,kaspar030/RIOT,gautric/RIOT,immesys/RiSyn,neumodisch/RIOT,ant9000/RIOT,FrancescoErmini/RIOT,authmillenon/RIOT,A-Paul/RIOT,DipSwitch/RIOT,l3nko/RIOT,mfrey/RIOT,mfrey/RIOT,khhhh/RIOT,adjih/RIOT,shady33/RIOT,herrfz/RIOT,gebart/RIOT,kYc0o/RIOT,openkosmosorg/RIOT,basilfx/RIOT,ntrtrung/RIOT,RIOT-OS/RIOT,toonst/RIOT,alex1818/RIOT,ks156/RIOT,RBartz/RIOT,msolters/RIOT,katezilla/RIOT,alignan/RIOT,dhruvvyas90/RIOT,jasonatran/RIOT,MarkXYang/RIOT,Yonezawa-T2/RIOT,FrancescoErmini/RIOT,EmuxEvans/RIOT,BytesGalore/RIOT,adrianghc/RIOT,khhhh/RIOT,Osblouf/RIOT,asanka-code/RIOT,d00616/RIOT,haoyangyu/RIOT,neiljay/RIOT,stevenj/RIOT,Osblouf/RIOT,MohmadAyman/RIOT,chris-wood/RIOT,toonst/RIOT,dhruvvyas90/RIOT,wentaoshang/RIOT,kbumsik/RIOT,automote/RIOT,bartfaizoltan/RIOT,Darredevil/RIOT,MohmadAyman/RIOT,rajma996/RIOT,attdona/RIOT,smlng/RIOT,kaleb-himes/RIOT,changbiao/RIOT,Ell-i/RIOT,rfuentess/RIOT,gbarnett/RIOT,rakendrathapa/RIOT,shady33/RIOT,tfar/RIOT,yogo1212/RIOT,changbiao/RIOT,basilfx/RIOT,d00616/RIOT,LudwigKnuepfer/RIOT,thomaseichinger/RIOT,EmuxEvans/RIOT,marcosalm/RIOT,basilfx/RIOT,changbiao/RIOT,lebrush/RIOT,neumodisch/RIOT,hamilton-mote/RIOT-OS,ThanhVic/RIOT,centurysys/RIOT,mtausig/RIOT,koenning/RIOT,Yonezawa-T2/RIOT,kerneltask/RIOT,herrfz/RIOT,Josar/RIOT,kaspar030/RIOT,dhruvvyas90/RIOT,marcosalm/RIOT,biboc/RIOT,Darredevil/RIOT,OlegHahm/RIOT,alex1818/RIOT,FrancescoErmini/RIOT,Lexandro92/RIOT-CoAP,tdautc19841202/RIOT,l3nko/RIOT,JensErdmann/RIOT,FrancescoErmini/RIOT,EmuxEvans/RIOT,shady33/RIOT,dailab/RIOT,rousselk/RIOT,abkam07/RIOT,Osblouf/RIOT,ximus/RIOT,immesys/RiSyn,daniel-k/RIOT,zhuoshuguo/RIOT,chris-wood/RIOT,jasonatran/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,Yonezawa-T2/RIOT,arvindpdmn/RIOT,msolters/RIOT,OTAkeys/RIOT,tdautc19841202/RIOT,robixnai/RIOT,ntrtrung/RIOT,roberthartung/RIOT,neiljay/RIOT,MonsterCode8000/RIOT,RIOT-OS/RIOT,bartfaizoltan/RIOT,cladmi/RIOT,watr-li/RIOT,ntrtrung/RIOT,koenning/RIOT,alex1818/RIOT,gautric/RIOT,beurdouche/RIOT,jremmert-phytec-iot/RIOT,gbarnett/RIOT,latsku/RIOT,ximus/RIOT,wentaoshang/RIOT,TobiasFredersdorf/RIOT,lebrush/RIOT,ant9000/RIOT,rfuentess/RIOT,kushalsingh007/RIOT,jbeyerstedt/RIOT-OTA-update,abkam07/RIOT,Lexandro92/RIOT-CoAP,ThanhVic/RIOT,rajma996/RIOT,marcosalm/RIOT,robixnai/RIOT,kaleb-himes/RIOT,plushvoxel/RIOT,rakendrathapa/RIOT,watr-li/RIOT,malosek/RIOT,rfuentess/RIOT,lazytech-org/RIOT,msolters/RIOT,authmillenon/RIOT,DipSwitch/RIOT,beurdouche/RIOT,jfischer-phytec-iot/RIOT,brettswann/RIOT,rajma996/RIOT,katezilla/RIOT,binarylemon/RIOT,bartfaizoltan/RIOT,smlng/RIOT,gautric/RIOT,chris-wood/RIOT,toonst/RIOT,stevenj/RIOT,LudwigKnuepfer/RIOT,FrancescoErmini/RIOT,OlegHahm/RIOT,lebrush/RIOT,khhhh/RIOT,kbumsik/RIOT,lazytech-org/RIOT,robixnai/RIOT,Darredevil/RIOT,robixnai/RIOT,PSHIVANI/Riot-Code,alignan/RIOT,thiagohd/RIOT,haoyangyu/RIOT,JensErdmann/RIOT,Lexandro92/RIOT-CoAP,mtausig/RIOT,lebrush/RIOT,patkan/RIOT,RBartz/RIOT,yogo1212/RIOT,ximus/RIOT,RIOT-OS/RIOT,rousselk/RIOT,openkosmosorg/RIOT,jfischer-phytec-iot/RIOT,rakendrathapa/RIOT,plushvoxel/RIOT,mziegert/RIOT,alex1818/RIOT,cladmi/RIOT,miri64/RIOT,kYc0o/RIOT,mfrey/RIOT,ximus/RIOT,PSHIVANI/Riot-Code,malosek/RIOT,FrancescoErmini/RIOT,thomaseichinger/RIOT,watr-li/RIOT,biboc/RIOT,Osblouf/RIOT,centurysys/RIOT,avmelnikoff/RIOT,lazytech-org/RIOT,bartfaizoltan/RIOT,dailab/RIOT,arvindpdmn/RIOT,OlegHahm/RIOT,jremmert-phytec-iot/RIOT,x3ro/RIOT,ks156/RIOT,tdautc19841202/RIOT,binarylemon/RIOT,mtausig/RIOT,kYc0o/RIOT,RBartz/RIOT,authmillenon/RIOT,x3ro/RIOT,marcosalm/RIOT,koenning/RIOT,RBartz/RIOT,alignan/RIOT,lebrush/RIOT,x3ro/RIOT,luciotorre/RIOT,bartfaizoltan/RIOT,rajma996/RIOT,luciotorre/RIOT,kushalsingh007/RIOT,adrianghc/RIOT,bartfaizoltan/RIOT,thiagohd/RIOT,openkosmosorg/RIOT,patkan/RIOT,katezilla/RIOT,x3ro/RIOT,rousselk/RIOT,herrfz/RIOT,gebart/RIOT,kushalsingh007/RIOT,msolters/RIOT,kaleb-himes/RIOT,mziegert/RIOT,marcosalm/RIOT,malosek/RIOT,chris-wood/RIOT,MonsterCode8000/RIOT,miri64/RIOT,PSHIVANI/Riot-Code,brettswann/RIOT,syin2/RIOT,automote/RIOT,ant9000/RIOT,gbarnett/RIOT,centurysys/RIOT,Darredevil/RIOT,binarylemon/RIOT,MarkXYang/RIOT,jbeyerstedt/RIOT-OTA-update,neiljay/RIOT,ks156/RIOT,attdona/RIOT,haoyangyu/RIOT,rakendrathapa/RIOT,asanka-code/RIOT,LudwigOrtmann/RIOT,asanka-code/RIOT,msolters/RIOT,mfrey/RIOT,hamilton-mote/RIOT-OS,Darredevil/RIOT,asanka-code/RIOT,jasonatran/RIOT,LudwigOrtmann/RIOT,BytesGalore/RIOT,l3nko/RIOT,cladmi/RIOT,alignan/RIOT,syin2/RIOT,ks156/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,zhuoshuguo/RIOT,beurdouche/RIOT,MarkXYang/RIOT,changbiao/RIOT,RubikonAlpha/RIOT,authmillenon/RIOT,automote/RIOT,altairpearl/RIOT,RBartz/RIOT,asanka-code/RIOT,automote/RIOT,dailab/RIOT,alex1818/RIOT,kb2ma/RIOT,Hyungsin/RIOT-OS,malosek/RIOT,luciotorre/RIOT,jbeyerstedt/RIOT-OTA-update,roberthartung/RIOT,gbarnett/RIOT,d00616/RIOT,josephnoir/RIOT,altairpearl/RIOT,yogo1212/RIOT,dkm/RIOT,alex1818/RIOT,miri64/RIOT,haoyangyu/RIOT,backenklee/RIOT,patkan/RIOT,wentaoshang/RIOT,adjih/RIOT,adrianghc/RIOT,robixnai/RIOT,zhuoshuguo/RIOT,adjih/RIOT,arvindpdmn/RIOT,yogo1212/RIOT,adrianghc/RIOT,kerneltask/RIOT,biboc/RIOT,dhruvvyas90/RIOT,wentaoshang/RIOT,lebrush/RIOT,tdautc19841202/RIOT,kaleb-himes/RIOT,JensErdmann/RIOT,khhhh/RIOT,d00616/RIOT,MonsterCode8000/RIOT,rousselk/RIOT,syin2/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,brettswann/RIOT,mfrey/RIOT,daniel-k/RIOT,koenning/RIOT,attdona/RIOT,LudwigOrtmann/RIOT,thiagohd/RIOT,TobiasFredersdorf/RIOT,l3nko/RIOT,plushvoxel/RIOT,LudwigKnuepfer/RIOT,attdona/RIOT,Hyungsin/RIOT-OS,d00616/RIOT,mziegert/RIOT,aeneby/RIOT,josephnoir/RIOT,DipSwitch/RIOT,jremmert-phytec-iot/RIOT,A-Paul/RIOT,TobiasFredersdorf/RIOT,brettswann/RIOT