[giggle] Do not use deprecated GTK+ symbols

[Javier Jardón <jjardon src gnome org>]

commit 3861bf95903ee078182dad6b5cc90b9df3da9057
Author: Javier Jardón <jjardon gnome org>
Date:   Tue Oct 26 17:42:03 2010 +0200

    Do not use deprecated GTK+ symbols
    
    Use gdk_window_get_width() instead gdk_window_get_size()

 configure.ac           |    2 +-
 src/giggle-view-file.c |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 51461f5..e3655be 100644
--- a/configure.ac
+++ b/configure.ac
@@ -51,7 +51,7 @@ PKG_CHECK_MODULES(GIGGLE, [
         gio-2.0           >= 2.18
         glib-2.0          >= 2.18
         gthread-2.0       >= 2.16
-        gtk+-2.0          >= 2.18
+        gtk+-2.0          >= 2.23
         gtksourceview-2.0 >= 2.8
 ])
 
diff --git a/src/giggle-view-file.c b/src/giggle-view-file.c
index 6ffc2b8..89f3d88 100644
--- a/src/giggle-view-file.c
+++ b/src/giggle-view-file.c
@@ -619,7 +619,7 @@ source_view_expose_event_cb (GtkTextView    *text_view,
 	gtk_text_view_get_iter_at_location (text_view, &iter, visible_rect.x, visible_rect.y);
 	visible_rect.y += visible_rect.height;
 
-	gdk_drawable_get_size (left_margin, &margin_width, NULL);
+	margin_width = gdk_window_get_width (left_margin);
 	cairo_translate (cr, margin_width - 16, 0); /* FIXME: see GB#572785 */
 
 	do {