Tidy gas current_frame before exit

Releases some obstack memory on an error path.

	* cond.c (cond_finish_check): Call cond_exit_macro.

gas/cond.c

@@ -561,6 +561,7 @@ cond_finish_check (int nest)
 	as_bad_where (current_cframe->else_file_line.file,
 		      current_cframe->else_file_line.line,
 		      _("here is the \"else\" of the unterminated conditional"));
+      cond_exit_macro (nest);
     }
 }