[svn-r17060] merge 17058 from trunk

added some "dummy" declarations for d_status
tested: linux

tools/h5diff/ph5diff_main.c

@@ -52,6 +52,8 @@ static void ph5diff_worker(int );
  *-------------------------------------------------------------------------
  */
 
+/* module-scoped variables */
+int d_status = EXIT_SUCCESS;
 
 int main(int argc, const char *argv[])
 {