sys/embunit: fix typos
sys/embunit: fix typos

x3ro/RIOT,miri64/RIOT,OTAkeys/RIOT,smlng/RIOT,josephnoir/RIOT,smlng/RIOT,aeneby/RIOT,x3ro/RIOT,aeneby/RIOT,miri64/RIOT,aeneby/RIOT,aeneby/RIOT,kYc0o/RIOT,authmillenon/RIOT,x3ro/RIOT,toonst/RIOT,jasonatran/RIOT,yogo1212/RIOT,RIOT-OS/RIOT,basilfx/RIOT,OTAkeys/RIOT,x3ro/RIOT,kaspar030/RIOT,toonst/RIOT,mtausig/RIOT,miri64/RIOT,authmillenon/RIOT,OlegHahm/RIOT,mtausig/RIOT,mtausig/RIOT,RIOT-OS/RIOT,authmillenon/RIOT,smlng/RIOT,authmillenon/RIOT,yogo1212/RIOT,toonst/RIOT,authmillenon/RIOT,miri64/RIOT,josephnoir/RIOT,x3ro/RIOT,yogo1212/RIOT,yogo1212/RIOT,RIOT-OS/RIOT,kYc0o/RIOT,basilfx/RIOT,authmillenon/RIOT,yogo1212/RIOT,kaspar030/RIOT,smlng/RIOT,OlegHahm/RIOT,OTAkeys/RIOT,mtausig/RIOT,basilfx/RIOT,aeneby/RIOT,kYc0o/RIOT,jasonatran/RIOT,ant9000/RIOT,kYc0o/RIOT,yogo1212/RIOT,OlegHahm/RIOT,ant9000/RIOT,josephnoir/RIOT,OTAkeys/RIOT,kaspar030/RIOT,basilfx/RIOT,kaspar030/RIOT,ant9000/RIOT,basilfx/RIOT,miri64/RIOT,toonst/RIOT,mtausig/RIOT,kYc0o/RIOT,josephnoir/RIOT,jasonatran/RIOT,OlegHahm/RIOT,OTAkeys/RIOT,jasonatran/RIOT,josephnoir/RIOT,kaspar030/RIOT,toonst/RIOT,ant9000/RIOT,OlegHahm/RIOT,RIOT-OS/RIOT,jasonatran/RIOT,ant9000/RIOT,RIOT-OS/RIOT,smlng/RIOT