Fix last build warning in mainconfig.

Add a missing const.



git-svn-id: http://svn.fedorahosted.org/svn/corosync/trunk@1986 fd59a12c-fef9-0310-b244-a6a79926bd2f

exec/mainconfig.c

@@ -326,7 +326,7 @@ int corosync_main_config_read (
 {
 	hdb_handle_t object_service_handle;
 	char *value;
-	char *error_reason = error_string_response;
+	const char *error_reason = error_string_response;
 	hdb_handle_t object_find_handle;
 
 	memset (main_config, 0, sizeof (struct main_config));