[gimp] app: move monitor xres, yres back to their local scope in prefs

[Michael Natterer <mitch src gnome org>]

commit b3354ba87054c0a0077fc2c7c4a1c3b1ed424389
Author: Michael Natterer <mitch gimp org>
Date:   Thu Mar 23 16:00:24 2017 +0100

    app: move monitor xres, yres back to their local scope in prefs

 app/dialogs/preferences-dialog.c |   12 ++++++------
 1 files changed, 6 insertions(+), 6 deletions(-)
---
diff --git a/app/dialogs/preferences-dialog.c b/app/dialogs/preferences-dialog.c
index e496be9..55770f6 100644
--- a/app/dialogs/preferences-dialog.c
+++ b/app/dialogs/preferences-dialog.c
@@ -978,8 +978,6 @@ prefs_dialog_new (Gimp       *gimp,
   GtkWidget         *calibrate_button;
   GSList            *group;
   GtkWidget         *editor;
-  gdouble            xres;
-  gdouble            yres;
   gint               i;
 
   GObject           *object;
@@ -993,10 +991,6 @@ prefs_dialog_new (Gimp       *gimp,
   core_config    = GIMP_CORE_CONFIG (config);
   display_config = GIMP_DISPLAY_CONFIG (config);
 
-  gimp_get_monitor_resolution (gdk_screen_get_default (), /* FIXME monitor */
-                               0, /* FIXME monitor */
-                               &xres, &yres);
-
   dialog = gimp_dialog_new (_("Preferences"), "gimp-preferences",
                             NULL, 0,
                             prefs_help_func,
@@ -2300,8 +2294,14 @@ prefs_dialog_new (Gimp       *gimp,
   group = NULL;
 
   {
+    gdouble  xres;
+    gdouble  yres;
     gchar   *str;
 
+    gimp_get_monitor_resolution (gdk_screen_get_default (), /* FIXME monitor */
+                                 0, /* FIXME monitor */
+                                 &xres, &yres);
+
     str = g_strdup_printf (_("_Detect automatically (currently %d × %d ppi)"),
                            ROUND (xres), ROUND (yres));