[gtk+] gtk-reftest: Don't warn needlessly

[Matthias Clasen <matthiasc src gnome org>]

commit 5880c9e365949f846317d22824f853fcb384aea5
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri May 30 23:30:56 2014 -0400

    gtk-reftest: Don't warn needlessly
    
    Only warn about the --direction argument if the option was
    actually specified.

 testsuite/reftests/gtk-reftest.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/testsuite/reftests/gtk-reftest.c b/testsuite/reftests/gtk-reftest.c
index 0e30d7c..74438c1 100644
--- a/testsuite/reftests/gtk-reftest.c
+++ b/testsuite/reftests/gtk-reftest.c
@@ -70,7 +70,7 @@ parse_command_line (int *argc, char ***argv)
     gtk_widget_set_default_direction (GTK_TEXT_DIR_RTL);
   else if (g_strcmp0 (arg_direction, "ltr") == 0)
     gtk_widget_set_default_direction (GTK_TEXT_DIR_LTR);
-  else
+  else if (arg_direction != NULL)
     g_printerr ("Invalid argument passed to --direction argument. Valid arguments are 'ltr' and 'rtl'\n");
 
   return TRUE;