tests/periph_random: fix warnings, conventions
tests/periph_random: fix warnings, conventions

khhhh/RIOT,biboc/RIOT,rajma996/RIOT,abp719/RIOT,Hyungsin/RIOT-OS,rfswarm2/RIOT,yogo1212/RIOT,RubikonAlpha/RIOT,x3ro/RIOT,Darredevil/RIOT,attdona/RIOT,LudwigKnuepfer/RIOT,smlng/RIOT,shady33/RIOT,alex1818/RIOT,RubikonAlpha/RIOT,automote/RIOT,tdautc19841202/RIOT,latsku/RIOT,Osblouf/RIOT,ntrtrung/RIOT,adjih/RIOT,backenklee/RIOT,dhruvvyas90/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,RIOT-OS/RIOT,stevenj/RIOT,AnonMall/RIOT,robixnai/RIOT,ntrtrung/RIOT,katezilla/RIOT,shady33/RIOT,fnack/RIOT,rfswarm2/RIOT,ThanhVic/RIOT,zhuoshuguo/RIOT,yogo1212/RIOT,sumanpanchal/RIOT,alex1818/RIOT,abp719/RIOT,jfischer-phytec-iot/RIOT,dailab/RIOT,jremmert-phytec-iot/RIOT,bartfaizoltan/RIOT,rousselk/RIOT,plushvoxel/RIOT,mfrey/RIOT,binarylemon/RIOT,aeneby/RIOT,lazytech-org/RIOT,LudwigOrtmann/RIOT,malosek/RIOT,Lexandro92/RIOT-CoAP,smlng/RIOT,attdona/RIOT,JensErdmann/RIOT,ks156/RIOT,syin2/RIOT,ximus/RIOT,mziegert/RIOT,dhruvvyas90/RIOT,zhuoshuguo/RIOT,ntrtrung/RIOT,EmuxEvans/RIOT,MohmadAyman/RIOT,RBartz/RIOT,phiros/RIOT,benoit-canet/RIOT,centurysys/RIOT,kaspar030/RIOT,mtausig/RIOT,jremmert-phytec-iot/RIOT,neiljay/RIOT,beurdouche/RIOT,openkosmosorg/RIOT,emmanuelsearch/RIOT,kYc0o/RIOT,altairpearl/RIOT,jfischer-phytec-iot/RIOT,EmuxEvans/RIOT,wentaoshang/RIOT,herrfz/RIOT-old,nsol-nmsu/RIOT,Hyungsin/RIOT-OS,automote/RIOT,Yonezawa-T2/RIOT,katezilla/RIOT,neiljay/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,kaspar030/RIOT,kaspar030/RIOT,rfswarm/RIOT,Lexandro92/RIOT-CoAP,neiljay/RIOT,Lexandro92/RIOT-CoAP,bartfaizoltan/RIOT,jbeyerstedt/RIOT-OTA-update,plushvoxel/RIOT,jhollister/RIOT,patkan/RIOT,authmillenon/RIOT,arvindpdmn/RIOT,biboc/RIOT,daniel-k/RIOT,rousselk/RIOT,gebart/RIOT,immesys/RiSyn,mtausig/RIOT,khhhh/RIOT,khhhh/RIOT,RubikonAlpha/RIOT,marcosalm/RIOT,rfswarm2/RIOT,Yonezawa-T2/RIOT,abkam07/RIOT,MarkXYang/RIOT,marcosalm/RIOT,watr-li/RIOT,binarylemon/RIOT,backenklee/RIOT,Yonezawa-T2/RIOT,hamilton-mote/RIOT-OS,fnack/RIOT,kushalsingh007/RIOT,lebrush/RIOT,toonst/RIOT,msolters/RIOT,malosek/RIOT,rfswarm/RIOT,immesys/RiSyn,josephnoir/RIOT,jhollister/RIOT,thomaseichinger/RIOT,sgso/RIOT,avmelnikoff/RIOT,RBartz/RIOT,OlegHahm/RIOT,jhollister/RIOT,miri64/RIOT,rfswarm/RIOT,ks156/RIOT,shady33/RIOT,rousselk/RIOT,chris-wood/RIOT,alex1818/RIOT,DipSwitch/RIOT,LudwigOrtmann/RIOT,chris-wood/RIOT,kb2ma/RIOT,jferreir/RIOT,ximus/RIOT,roberthartung/RIOT,kbumsik/RIOT,TobiasFredersdorf/RIOT,sumanpanchal/RIOT,RIOT-OS/RIOT,RubikonAlpha/RIOT,binarylemon/RIOT,gebart/RIOT,yogo1212/RIOT,sgso/RIOT,ThanhVic/RIOT,EmuxEvans/RIOT,gautric/RIOT,bartfaizoltan/RIOT,rfuentess/RIOT,automote/RIOT,koenning/RIOT,Hyungsin/RIOT-OS,changbiao/RIOT,ant9000/RIOT,biboc/RIOT,haoyangyu/RIOT,plushvoxel/RIOT,thomaseichinger/RIOT,roberthartung/RIOT,Darredevil/RIOT,toonst/RIOT,MarkXYang/RIOT,openkosmosorg/RIOT,gautric/RIOT,thomaseichinger/RIOT,rajma996/RIOT,cladmi/RIOT,benoit-canet/RIOT,PSHIVANI/Riot-Code,MarkXYang/RIOT,rfuentess/RIOT,alignan/RIOT,msolters/RIOT,thiagohd/RIOT,kbumsik/RIOT,gbarnett/RIOT,x3ro/RIOT,shady33/RIOT,basilfx/RIOT,attdona/RIOT,authmillenon/RIOT,robixnai/RIOT,OTAkeys/RIOT,gbarnett/RIOT,centurysys/RIOT,rajma996/RIOT,tdautc19841202/RIOT,basilfx/RIOT,mziegert/RIOT,adjih/RIOT,immesys/RiSyn,jferreir/RIOT,tdautc19841202/RIOT,lazytech-org/RIOT,mziegert/RIOT,rakendrathapa/RIOT,openkosmosorg/RIOT,phiros/RIOT,luciotorre/RIOT,roberthartung/RIOT,kushalsingh007/RIOT,khhhh/RIOT,jbeyerstedt/RIOT-OTA-update,syin2/RIOT,thomaseichinger/RIOT,jferreir/RIOT,miri64/RIOT,herrfz/RIOT,rfuentess/RIOT,jbeyerstedt/RIOT-OTA-update,kb2ma/RIOT,lazytech-org/RIOT,automote/RIOT,alex1818/RIOT,alex1818/RIOT,adrianghc/RIOT,FrancescoErmini/RIOT,DipSwitch/RIOT,mziegert/RIOT,benoit-canet/RIOT,bartfaizoltan/RIOT,herrfz/RIOT,adrianghc/RIOT,Yonezawa-T2/RIOT,lebrush/RIOT,lebrush/RIOT,daniel-k/RIOT,Ell-i/RIOT,jasonatran/RIOT,hamilton-mote/RIOT-OS,latsku/RIOT,immesys/RiSyn,toonst/RIOT,binarylemon/RIOT,sgso/RIOT,MonsterCode8000/RIOT,dhruvvyas90/RIOT,authmillenon/RIOT,ximus/RIOT,rfswarm/RIOT,daniel-k/RIOT,1blankz7/RIOT,jremmert-phytec-iot/RIOT,Josar/RIOT,jremmert-phytec-iot/RIOT,thiagohd/RIOT,ThanhVic/RIOT,mfrey/RIOT,AnonMall/RIOT,patkan/RIOT,rfuentess/RIOT,brettswann/RIOT,altairpearl/RIOT,abkam07/RIOT,marcosalm/RIOT,kb2ma/RIOT,sumanpanchal/RIOT,ks156/RIOT,adjih/RIOT,asanka-code/RIOT,openkosmosorg/RIOT,wentaoshang/RIOT,MarkXYang/RIOT,mfrey/RIOT,gbarnett/RIOT,changbiao/RIOT,arvindpdmn/RIOT,alignan/RIOT,stevenj/RIOT,kushalsingh007/RIOT,jfischer-phytec-iot/RIOT,Lexandro92/RIOT-CoAP,RIOT-OS/RIOT,OlegHahm/RIOT,bartfaizoltan/RIOT,Ell-i/RIOT,BytesGalore/RIOT,rousselk/RIOT,hamilton-mote/RIOT-OS,gbarnett/RIOT,daniel-k/RIOT,OTAkeys/RIOT,abkam07/RIOT,jferreir/RIOT,khhhh/RIOT,luciotorre/RIOT,EmuxEvans/RIOT,tfar/RIOT,backenklee/RIOT,zhuoshuguo/RIOT,LudwigKnuepfer/RIOT,mfrey/RIOT,yogo1212/RIOT,rajma996/RIOT,phiros/RIOT,centurysys/RIOT,TobiasFredersdorf/RIOT,adrianghc/RIOT,1blankz7/RIOT,stevenj/RIOT,MarkXYang/RIOT,smlng/RIOT,centurysys/RIOT,dkm/RIOT,OTAkeys/RIOT,latsku/RIOT,ant9000/RIOT,msolters/RIOT,luciotorre/RIOT,shady33/RIOT,Lexandro92/RIOT-CoAP,ThanhVic/RIOT,A-Paul/RIOT,BytesGalore/RIOT,l3nko/RIOT,khhhh/RIOT,jfischer-phytec-iot/RIOT,altairpearl/RIOT,kerneltask/RIOT,avmelnikoff/RIOT,kushalsingh007/RIOT,kbumsik/RIOT,abkam07/RIOT,luciotorre/RIOT,LudwigOrtmann/RIOT,malosek/RIOT,Darredevil/RIOT,gautric/RIOT,PSHIVANI/Riot-Code,d00616/RIOT,PSHIVANI/Riot-Code,dailab/RIOT,AnonMall/RIOT,neumodisch/RIOT,ant9000/RIOT,herrfz/RIOT-old,asanka-code/RIOT,aeneby/RIOT,tfar/RIOT,abkam07/RIOT,thiagohd/RIOT,x3ro/RIOT,binarylemon/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,katezilla/RIOT,miri64/RIOT,thomaseichinger/RIOT,haoyangyu/RIOT,neiljay/RIOT,kaspar030/RIOT,jremmert-phytec-iot/RIOT,stevenj/RIOT,herrfz/RIOT,zhuoshuguo/RIOT,DipSwitch/RIOT,yogo1212/RIOT,altairpearl/RIOT,RubikonAlpha/RIOT,rakendrathapa/RIOT,rfuentess/RIOT,openkosmosorg/RIOT,A-Paul/RIOT,nsol-nmsu/RIOT,mziegert/RIOT,syin2/RIOT,beurdouche/RIOT,dkm/RIOT,kaleb-himes/RIOT,FrancescoErmini/RIOT,changbiao/RIOT,toonst/RIOT,JensErdmann/RIOT,binarylemon/RIOT,cladmi/RIOT,ks156/RIOT,emmanuelsearch/RIOT,immesys/RiSyn,watr-li/RIOT,avmelnikoff/RIOT,DipSwitch/RIOT,automote/RIOT,DipSwitch/RIOT,arvindpdmn/RIOT,jremmert-phytec-iot/RIOT,jbeyerstedt/RIOT-OTA-update,arvindpdmn/RIOT,BytesGalore/RIOT,Osblouf/RIOT,neiljay/RIOT,herrfz/RIOT-old,ximus/RIOT,changbiao/RIOT,PSHIVANI/Riot-Code,phiros/RIOT,MonsterCode8000/RIOT,abp719/RIOT,kb2ma/RIOT,kYc0o/RIOT,robixnai/RIOT,jferreir/RIOT,latsku/RIOT,kbumsik/RIOT,mziegert/RIOT,hamilton-mote/RIOT-OS,Lexandro92/RIOT-CoAP,altairpearl/RIOT,gebart/RIOT,d00616/RIOT,patkan/RIOT,Hyungsin/RIOT-OS,tdautc19841202/RIOT,kaleb-himes/RIOT,BytesGalore/RIOT,kYc0o/RIOT,chris-wood/RIOT,watr-li/RIOT,josephnoir/RIOT,1blankz7/RIOT,adjih/RIOT,A-Paul/RIOT,patkan/RIOT,bartfaizoltan/RIOT,asanka-code/RIOT,avmelnikoff/RIOT,MonsterCode8000/RIOT,OlegHahm/RIOT,LudwigOrtmann/RIOT,EmuxEvans/RIOT,neumodisch/RIOT,zhuoshuguo/RIOT,Darredevil/RIOT,MohmadAyman/RIOT,Hyungsin/RIOT-OS,toonst/RIOT,d00616/RIOT,lazytech-org/RIOT,automote/RIOT,abp719/RIOT,OTAkeys/RIOT,ThanhVic/RIOT,Ell-i/RIOT,jasonatran/RIOT,ks156/RIOT,changbiao/RIOT,emmanuelsearch/RIOT,emmanuelsearch/RIOT,watr-li/RIOT,aeneby/RIOT,thiagohd/RIOT,rousselk/RIOT,syin2/RIOT,fnack/RIOT,RIOT-OS/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,luciotorre/RIOT,RBartz/RIOT,josephnoir/RIOT,tfar/RIOT,sgso/RIOT,malosek/RIOT,msolters/RIOT,asanka-code/RIOT,luciotorre/RIOT,ant9000/RIOT,thiagohd/RIOT,aeneby/RIOT,MohmadAyman/RIOT,adrianghc/RIOT,kb2ma/RIOT,LudwigOrtmann/RIOT,mfrey/RIOT,sgso/RIOT,AnonMall/RIOT,dailab/RIOT,fnack/RIOT,arvindpdmn/RIOT,herrfz/RIOT-old,jasonatran/RIOT,attdona/RIOT,FrancescoErmini/RIOT,dkm/RIOT,changbiao/RIOT,fnack/RIOT,centurysys/RIOT,msolters/RIOT,FrancescoErmini/RIOT,attdona/RIOT,basilfx/RIOT,kerneltask/RIOT,basilfx/RIOT,TobiasFredersdorf/RIOT,brettswann/RIOT,biboc/RIOT,backenklee/RIOT,rakendrathapa/RIOT,benoit-canet/RIOT,d00616/RIOT,kerneltask/RIOT,RBartz/RIOT,rakendrathapa/RIOT,Osblouf/RIOT,alignan/RIOT,kushalsingh007/RIOT,neumodisch/RIOT,jhollister/RIOT,l3nko/RIOT,OlegHahm/RIOT,daniel-k/RIOT,neumodisch/RIOT,Ell-i/RIOT,MarkXYang/RIOT,roberthartung/RIOT,kerneltask/RIOT,miri64/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,stevenj/RIOT,JensErdmann/RIOT,emmanuelsearch/RIOT,arvindpdmn/RIOT,PSHIVANI/Riot-Code,sumanpanchal/RIOT,PSHIVANI/Riot-Code,JensErdmann/RIOT,basilfx/RIOT,marcosalm/RIOT,RBartz/RIOT,dailab/RIOT,immesys/RiSyn,latsku/RIOT,AnonMall/RIOT,rfswarm/RIOT,zhuoshuguo/RIOT,yogo1212/RIOT,jasonatran/RIOT,sumanpanchal/RIOT,gautric/RIOT,MohmadAyman/RIOT,herrfz/RIOT,openkosmosorg/RIOT,haoyangyu/RIOT,attdona/RIOT,malosek/RIOT,adrianghc/RIOT,wentaoshang/RIOT,Yonezawa-T2/RIOT,backenklee/RIOT,brettswann/RIOT,koenning/RIOT,asanka-code/RIOT,marcosalm/RIOT,MonsterCode8000/RIOT,daniel-k/RIOT,robixnai/RIOT,kbumsik/RIOT,msolters/RIOT,beurdouche/RIOT,brettswann/RIOT,Josar/RIOT,kYc0o/RIOT,rakendrathapa/RIOT,Josar/RIOT,gbarnett/RIOT,wentaoshang/RIOT,jferreir/RIOT,wentaoshang/RIOT,stevenj/RIOT,RubikonAlpha/RIOT,haoyangyu/RIOT,JensErdmann/RIOT,EmuxEvans/RIOT,TobiasFredersdorf/RIOT,nsol-nmsu/RIOT,chris-wood/RIOT,rajma996/RIOT,adjih/RIOT,dhruvvyas90/RIOT,rfswarm/RIOT,ntrtrung/RIOT,chris-wood/RIOT,dkm/RIOT,kYc0o/RIOT,lebrush/RIOT,kushalsingh007/RIOT,brettswann/RIOT,robixnai/RIOT,OTAkeys/RIOT,marcosalm/RIOT,l3nko/RIOT,MonsterCode8000/RIOT,RIOT-OS/RIOT,1blankz7/RIOT,plushvoxel/RIOT,chris-wood/RIOT,thiagohd/RIOT,MohmadAyman/RIOT,tdautc19841202/RIOT,abkam07/RIOT,Darredevil/RIOT,wentaoshang/RIOT,mtausig/RIOT,aeneby/RIOT,x3ro/RIOT,abp719/RIOT,1blankz7/RIOT,d00616/RIOT,nsol-nmsu/RIOT,authmillenon/RIOT,kerneltask/RIOT,syin2/RIOT,1blankz7/RIOT,Darredevil/RIOT,abp719/RIOT,nsol-nmsu/RIOT,rajma996/RIOT,TobiasFredersdorf/RIOT,jhollister/RIOT,brettswann/RIOT,LudwigKnuepfer/RIOT,jfischer-phytec-iot/RIOT,cladmi/RIOT,katezilla/RIOT,herrfz/RIOT,mtausig/RIOT,watr-li/RIOT,alex1818/RIOT,asanka-code/RIOT,watr-li/RIOT,avmelnikoff/RIOT,tfar/RIOT,FrancescoErmini/RIOT,gautric/RIOT,patkan/RIOT,JensErdmann/RIOT,latsku/RIOT,dhruvvyas90/RIOT,smlng/RIOT,beurdouche/RIOT,herrfz/RIOT-old,lebrush/RIOT,koenning/RIOT,hamilton-mote/RIOT-OS,RBartz/RIOT,ximus/RIOT,Josar/RIOT,beurdouche/RIOT,ntrtrung/RIOT,Osblouf/RIOT,kaspar030/RIOT,katezilla/RIOT,FrancescoErmini/RIOT,kaleb-himes/RIOT,plushvoxel/RIOT,lebrush/RIOT,herrfz/RIOT,phiros/RIOT,jbeyerstedt/RIOT-OTA-update,phiros/RIOT,BytesGalore/RIOT,cladmi/RIOT,l3nko/RIOT,l3nko/RIOT,roberthartung/RIOT,authmillenon/RIOT,haoyangyu/RIOT,mtausig/RIOT,tdautc19841202/RIOT,miri64/RIOT,rakendrathapa/RIOT,neumodisch/RIOT,Ell-i/RIOT,l3nko/RIOT,LudwigKnuepfer/RIOT,x3ro/RIOT,Yonezawa-T2/RIOT,ThanhVic/RIOT,sumanpanchal/RIOT,alignan/RIOT,gbarnett/RIOT,kaleb-himes/RIOT,MonsterCode8000/RIOT,ntrtrung/RIOT,lazytech-org/RIOT,ant9000/RIOT,MohmadAyman/RIOT,biboc/RIOT,shady33/RIOT,koenning/RIOT,A-Paul/RIOT,Josar/RIOT,smlng/RIOT,neumodisch/RIOT,gebart/RIOT,fnack/RIOT,rfswarm2/RIOT,DipSwitch/RIOT,tfar/RIOT,d00616/RIOT,patkan/RIOT,dailab/RIOT,gebart/RIOT,cladmi/RIOT,sgso/RIOT,josephnoir/RIOT,centurysys/RIOT,kaleb-himes/RIOT,josephnoir/RIOT,AnonMall/RIOT,A-Paul/RIOT,altairpearl/RIOT,rfswarm2/RIOT,robixnai/RIOT,malosek/RIOT,authmillenon/RIOT,koenning/RIOT,ximus/RIOT,jhollister/RIOT,dhruvvyas90/RIOT,benoit-canet/RIOT,Osblouf/RIOT,koenning/RIOT,jasonatran/RIOT,benoit-canet/RIOT,emmanuelsearch/RIOT,Osblouf/RIOT,LudwigOrtmann/RIOT,rfswarm2/RIOT,LudwigKnuepfer/RIOT,haoyangyu/RIOT,dkm/RIOT,alignan/RIOT,OlegHahm/RIOT,rousselk/RIOT