[gtk+] Fix a compilation warning

[Javier Jardón <jjardon src gnome org>]

commit 6f6746389c5d08e1534a7eb04f02e00c5b409e50
Author: Javier Jardón <jjardon gnome org>
Date:   Wed Oct 21 02:55:46 2009 +0200

    Fix a compilation warning
    
    Use switch instead if's to get a default value

 gtk/gtkprintunixdialog.c |   41 ++++++++++++++++++++++++++---------------
 1 files changed, 26 insertions(+), 15 deletions(-)
---
diff --git a/gtk/gtkprintunixdialog.c b/gtk/gtkprintunixdialog.c
index 5f9d8d2..95ffa8f 100644
--- a/gtk/gtkprintunixdialog.c
+++ b/gtk/gtkprintunixdialog.c
@@ -3077,21 +3077,32 @@ update_number_up_layout (GtkPrintUnixDialog *dialog)
             {
               option = priv->number_up_layout_2_option;
 
-              if (layout == GTK_NUMBER_UP_LAYOUT_LEFT_TO_RIGHT_TOP_TO_BOTTOM ||
-                  layout == GTK_NUMBER_UP_LAYOUT_TOP_TO_BOTTOM_LEFT_TO_RIGHT)
-                enum_value = g_enum_get_value (enum_class, GTK_NUMBER_UP_LAYOUT_LEFT_TO_RIGHT_TOP_TO_BOTTOM);
-
-              if (layout == GTK_NUMBER_UP_LAYOUT_LEFT_TO_RIGHT_BOTTOM_TO_TOP ||
-                  layout == GTK_NUMBER_UP_LAYOUT_BOTTOM_TO_TOP_LEFT_TO_RIGHT)
-                enum_value = g_enum_get_value (enum_class, GTK_NUMBER_UP_LAYOUT_LEFT_TO_RIGHT_BOTTOM_TO_TOP);
-
-              if (layout == GTK_NUMBER_UP_LAYOUT_RIGHT_TO_LEFT_TOP_TO_BOTTOM ||
-                  layout == GTK_NUMBER_UP_LAYOUT_TOP_TO_BOTTOM_RIGHT_TO_LEFT)
-                enum_value = g_enum_get_value (enum_class, GTK_NUMBER_UP_LAYOUT_RIGHT_TO_LEFT_TOP_TO_BOTTOM);
-
-              if (layout == GTK_NUMBER_UP_LAYOUT_RIGHT_TO_LEFT_BOTTOM_TO_TOP ||
-                  layout == GTK_NUMBER_UP_LAYOUT_BOTTOM_TO_TOP_RIGHT_TO_LEFT)
-                enum_value = g_enum_get_value (enum_class, GTK_NUMBER_UP_LAYOUT_RIGHT_TO_LEFT_BOTTOM_TO_TOP);
+              switch (layout)
+                {
+                case GTK_NUMBER_UP_LAYOUT_LEFT_TO_RIGHT_TOP_TO_BOTTOM:
+                case GTK_NUMBER_UP_LAYOUT_TOP_TO_BOTTOM_LEFT_TO_RIGHT:
+                  enum_value = g_enum_get_value (enum_class, GTK_NUMBER_UP_LAYOUT_LEFT_TO_RIGHT_TOP_TO_BOTTOM);
+                  break;
+
+                case GTK_NUMBER_UP_LAYOUT_LEFT_TO_RIGHT_BOTTOM_TO_TOP:
+                case GTK_NUMBER_UP_LAYOUT_BOTTOM_TO_TOP_LEFT_TO_RIGHT:
+                  enum_value = g_enum_get_value (enum_class, GTK_NUMBER_UP_LAYOUT_LEFT_TO_RIGHT_BOTTOM_TO_TOP);
+                  break;
+
+                case GTK_NUMBER_UP_LAYOUT_RIGHT_TO_LEFT_TOP_TO_BOTTOM:
+                case GTK_NUMBER_UP_LAYOUT_TOP_TO_BOTTOM_RIGHT_TO_LEFT:
+                  enum_value = g_enum_get_value (enum_class, GTK_NUMBER_UP_LAYOUT_RIGHT_TO_LEFT_TOP_TO_BOTTOM);
+                  break;
+
+                case GTK_NUMBER_UP_LAYOUT_RIGHT_TO_LEFT_BOTTOM_TO_TOP:
+                case GTK_NUMBER_UP_LAYOUT_BOTTOM_TO_TOP_RIGHT_TO_LEFT:
+                  enum_value = g_enum_get_value (enum_class, GTK_NUMBER_UP_LAYOUT_RIGHT_TO_LEFT_BOTTOM_TO_TOP);
+                  break;
+
+                default:
+                  g_assert_not_reached();
+                  enum_value = NULL;
+                }
             }
           else
             {