Add generic documentation

gcc/elna-spec.cc

@@ -22,7 +22,7 @@ void lang_specific_driver(struct cl_decoded_option ** /* in_decoded_options */,
 }
 
 /* Called before linking.  Returns 0 on success and -1 on failure.  */
-int lang_specific_pre_link (void)
+int lang_specific_pre_link(void)
 {
     return 0;
 }