[dia] Don't use deprecated function gdk_pixmap_unref().

[Hans Breuer <hans src gnome org>]

commit 60b818ac8749c2a4a64f134679d967b4d86e30fc
Author: Adam Buchbinder <adam buchbinder gmail com>
Date:   Mon May 4 11:17:29 2009 -0400

    Don't use deprecated function gdk_pixmap_unref().
    
    Replaced gdk_pixmap_unref() with g_object_unref():
    http://library.gnome.org/devel/gdk/stable/gdk-Bitmaps-and-Pixmaps.html#gdk-pixmap-unref
    
    Signed-off-by: Adam Buchbinder <adam buchbinder gmail com>
    Signed-off-by: Hans Breuer <hans breuer org>
---
 app/diapagelayout.c  |    4 ++--
 app/interface.c      |    4 ++--
 app/splash.c         |    2 +-
 lib/diagdkrenderer.c |    2 +-
 lib/render_pixmap.c  |    2 +-
 5 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/app/diapagelayout.c b/app/diapagelayout.c
index fe06e90..af217f8 100644
--- a/app/diapagelayout.c
+++ b/app/diapagelayout.c
@@ -198,7 +198,7 @@ dia_page_layout_init(DiaPageLayout *self)
 		gtk_widget_get_colormap(GTK_WIDGET(self)), &mask, NULL,
 		portrait_xpm);
   wid = gtk_pixmap_new(pix, mask);
-  gdk_pixmap_unref(pix);
+  g_object_unref(pix);
   gdk_bitmap_unref(mask);
   gtk_container_add(GTK_CONTAINER(self->orient_portrait), wid);
   gtk_widget_show(wid);
@@ -212,7 +212,7 @@ dia_page_layout_init(DiaPageLayout *self)
 		gtk_widget_get_colormap(GTK_WIDGET(self)), &mask, NULL,
 		landscape_xpm);
   wid = gtk_pixmap_new(pix, mask);
-  gdk_pixmap_unref(pix);
+  g_object_unref(pix);
   gdk_bitmap_unref(mask);
   gtk_container_add(GTK_CONTAINER(self->orient_landscape), wid);
   gtk_widget_show(wid);
diff --git a/app/interface.c b/app/interface.c
index dc0bb63..e9ff6ba 100644
--- a/app/interface.c
+++ b/app/interface.c
@@ -1168,7 +1168,7 @@ create_tools(GtkWidget *parent)
       tool_setup_drag_source(button, &tool_data[i].callback_data,
 			     pixmap, mask);
 
-    if (pixmap) gdk_pixmap_unref(pixmap);
+    if (pixmap) g_object_unref(pixmap);
     if (mask) gdk_bitmap_unref(mask);
 
     tool_data[i].callback_data.widget = button;
@@ -1285,7 +1285,7 @@ fill_sheet_wbox(Sheet *sheet)
     }
     if (pixmap) {
       pixmapwidget = gtk_pixmap_new(pixmap, mask);
-      gdk_pixmap_unref(pixmap);
+      g_object_unref(pixmap);
       if (mask) gdk_bitmap_unref(mask);
     } else {
       pixmapwidget = gtk_type_new(gtk_pixmap_get_type());
diff --git a/app/splash.c b/app/splash.c
index 72ed01e..8b3e1fe 100644
--- a/app/splash.c
+++ b/app/splash.c
@@ -26,7 +26,7 @@ get_logo_pixmap (void)
 
     gdk_pixbuf_render_pixmap_and_mask(logo, &pixmap, &bitmap, 128);
     gpixmap = gtk_pixmap_new(pixmap, bitmap);
-    gdk_pixmap_unref(pixmap);
+    g_object_unref(pixmap);
     if (bitmap) gdk_bitmap_unref(bitmap);
     g_object_unref (logo);
   }
diff --git a/lib/diagdkrenderer.c b/lib/diagdkrenderer.c
index 64ff4df..7b1fef6 100644
--- a/lib/diagdkrenderer.c
+++ b/lib/diagdkrenderer.c
@@ -188,7 +188,7 @@ renderer_finalize(GObject *object)
   DiaGdkRenderer *renderer = DIA_GDK_RENDERER (object);
 
   if (renderer->pixmap != NULL)
-    gdk_pixmap_unref(renderer->pixmap);
+    g_object_unref(renderer->pixmap);
 
   if (renderer->gc != NULL)
     gdk_gc_unref(renderer->gc);
diff --git a/lib/render_pixmap.c b/lib/render_pixmap.c
index c13261f..665cdbf 100644
--- a/lib/render_pixmap.c
+++ b/lib/render_pixmap.c
@@ -75,7 +75,7 @@ renderer_pixmap_set_pixmap (DiaRenderer *ren,
   DiaGdkRenderer *renderer = DIA_GDK_RENDERER (ren);
 
   if (renderer->pixmap != NULL)
-    gdk_pixmap_unref(renderer->pixmap);
+    g_object_unref(renderer->pixmap);
 
   if (renderer->gc != NULL)
     gdk_gc_unref(renderer->gc);