Suppress warnings for part of source code

gistfile1.m

#pragma GCC push
#pragma GCC diagnostic ignored "-Wdeprecated-declarations"

static ABAddressBookRef CreateAddressBook(){
    if (ABAddressBookCreateWithOptions != NULL) {
        return ABAddressBookCreateWithOptions(NULL, NULL);
    }else{
        return ABAddressBookCreate();
    }
}

#pragma GCC pop