unitttests/sock_util: Test null pointer in urlsplit
unitttests/sock_util: Test null pointer in urlsplit

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