[gnome-robots] Do not use deprecated GtkMisc functions

[Michael Catanzaro <mcatanzaro src gnome org>]

commit b0956aaec6b6519f6fd904356d8093aec0c1d509
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Sat Jun 21 12:52:07 2014 -0500

    Do not use deprecated GtkMisc functions

 src/properties.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/properties.c b/src/properties.c
index afc33cd..1b8e473 100644
--- a/src/properties.c
+++ b/src/properties.c
@@ -469,7 +469,7 @@ show_properties_dialog (void)
 
   label = gtk_label_new_with_mnemonic (_("_Image theme:"));
   gtk_widget_set_hexpand (label, TRUE);
-  gtk_misc_set_alignment (GTK_MISC (label), 0, 0.5);
+  gtk_widget_set_halign (label, GTK_ALIGN_START);
   gtk_grid_attach (GTK_GRID (grid), label, 0, 0, 1, 1);
 
   pmapmenu = make_theme_menu ();
@@ -480,7 +480,7 @@ show_properties_dialog (void)
   gtk_grid_attach (GTK_GRID (grid), pmapmenu, 1, 0, 1, 1);
 
   label = gtk_label_new_with_mnemonic (_("_Background color:"));
-  gtk_misc_set_alignment (GTK_MISC (label), 0, 0.5);
+  gtk_widget_set_halign (label, GTK_ALIGN_START);
   gtk_grid_attach (GTK_GRID (grid), label, 0, 1, 1, 1);
 
   w = gtk_color_button_new ();