emb6_sock_udp: fix typo in cppcheck suppression
emb6_sock_udp: fix typo in cppcheck suppression

gebart/RIOT,kaspar030/RIOT,jasonatran/RIOT,mtausig/RIOT,cladmi/RIOT,toonst/RIOT,BytesGalore/RIOT,smlng/RIOT,lazytech-org/RIOT,kYc0o/RIOT,aeneby/RIOT,miri64/RIOT,miri64/RIOT,mfrey/RIOT,cladmi/RIOT,mfrey/RIOT,yogo1212/RIOT,mtausig/RIOT,rfuentess/RIOT,yogo1212/RIOT,ant9000/RIOT,aeneby/RIOT,OlegHahm/RIOT,biboc/RIOT,toonst/RIOT,OlegHahm/RIOT,cladmi/RIOT,ant9000/RIOT,RIOT-OS/RIOT,aeneby/RIOT,josephnoir/RIOT,jasonatran/RIOT,OTAkeys/RIOT,mfrey/RIOT,jasonatran/RIOT,x3ro/RIOT,mfrey/RIOT,lazytech-org/RIOT,BytesGalore/RIOT,kaspar030/RIOT,miri64/RIOT,toonst/RIOT,jasonatran/RIOT,A-Paul/RIOT,x3ro/RIOT,authmillenon/RIOT,toonst/RIOT,gebart/RIOT,smlng/RIOT,mfrey/RIOT,yogo1212/RIOT,lazytech-org/RIOT,josephnoir/RIOT,kYc0o/RIOT,basilfx/RIOT,toonst/RIOT,ant9000/RIOT,A-Paul/RIOT,RIOT-OS/RIOT,yogo1212/RIOT,basilfx/RIOT,rfuentess/RIOT,cladmi/RIOT,mtausig/RIOT,jasonatran/RIOT,ant9000/RIOT,RIOT-OS/RIOT,A-Paul/RIOT,josephnoir/RIOT,authmillenon/RIOT,x3ro/RIOT,authmillenon/RIOT,smlng/RIOT,RIOT-OS/RIOT,BytesGalore/RIOT,yogo1212/RIOT,josephnoir/RIOT,kaspar030/RIOT,authmillenon/RIOT,aeneby/RIOT,aeneby/RIOT,BytesGalore/RIOT,gebart/RIOT,OlegHahm/RIOT,rfuentess/RIOT,authmillenon/RIOT,yogo1212/RIOT,cladmi/RIOT,biboc/RIOT,basilfx/RIOT,lazytech-org/RIOT,biboc/RIOT,x3ro/RIOT,smlng/RIOT,RIOT-OS/RIOT,mtausig/RIOT,OTAkeys/RIOT,smlng/RIOT,josephnoir/RIOT,OTAkeys/RIOT,gebart/RIOT,OTAkeys/RIOT,kYc0o/RIOT,miri64/RIOT,kaspar030/RIOT,miri64/RIOT,rfuentess/RIOT,OlegHahm/RIOT,x3ro/RIOT,A-Paul/RIOT,OlegHahm/RIOT,biboc/RIOT,basilfx/RIOT,kaspar030/RIOT,kYc0o/RIOT,OTAkeys/RIOT,BytesGalore/RIOT,mtausig/RIOT,gebart/RIOT,basilfx/RIOT,ant9000/RIOT,biboc/RIOT,authmillenon/RIOT,kYc0o/RIOT,rfuentess/RIOT,A-Paul/RIOT,lazytech-org/RIOT