g++spec (lang_specific_pre_link, [...]): Define - update needed by gcc.c change.

(
	* g++spec (lang_specific_pre_link, lang_specific_extra_ofiles):
	Define - update needed by gcc.c change.

From-SVN: r20246

gcc/cp/g++spec.c

@@ -255,3 +255,12 @@ lang_specific_driver (fn, in_argc, in_argv, in_added_libraries)
   *in_argv = arglist;
   *in_added_libraries = added_libraries;
 }
+
+/* Called before linking.  Returns 0 on success and -1 on failure. */
+int lang_specific_pre_link ()  /* Not used for C++. */
+{
+  return 0;
+}
+
+/* Number of extra output files that lang_specific_pre_link may generate. */
+int lang_specific_extra_ofiles = 0;  /* Not used for C++. */