pkg/ccn-lite: replace curly braces with parenthesis
pkg/ccn-lite: replace curly braces with parenthesis

Follow up to #8822 cleanup.

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