Return if key exists

src/freedombone

@@ -6328,7 +6328,7 @@ function configure_backup_key {
   apt-get -y install gnupg
 
   BACKUP_KEY_EXISTS=$(su -c "gpg --list-keys \"$MY_EMAIL_ADDRESS (backup key)\"" - $MY_USERNAME)
-  if [ ! "$?" = "0" ]; then
+  if [ "$?" = "0" ]; then
       return
   fi