tests/driver_dht: fix invalidPrintfArgType_sint
tests/driver_dht: fix invalidPrintfArgType_sint

Since the argument type is 'unsigned int', the printf
format string has to be '%u' instead of '%i'.

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