pkg/ccn-lite: fix xcompile with cmake on macOS
pkg/ccn-lite: fix xcompile with cmake on macOS

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