[gnome-panel/gnome-3-18] panel-properties-dialog: fix build warning

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 0f259f22ef12dc522909770ea9e09c8b725439ed
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Wed Dec 23 04:02:18 2015 +0200

    panel-properties-dialog: fix build warning

 gnome-panel/panel-properties-dialog.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gnome-panel/panel-properties-dialog.c b/gnome-panel/panel-properties-dialog.c
index 314f9d3..d157974 100644
--- a/gnome-panel/panel-properties-dialog.c
+++ b/gnome-panel/panel-properties-dialog.c
@@ -167,7 +167,7 @@ panel_properties_dialog_setup_orientation_combo (PanelPropertiesDialog *dialog,
        GtkListStore     *model;
        GtkTreeIter       iter;
        GtkCellRenderer  *renderer;
-       int               i;
+       guint             i;
 
        dialog->orientation_combo = PANEL_GTK_BUILDER_GET (gui, "orientation_combo");
        g_return_if_fail (dialog->orientation_combo != NULL);