[gtk+] textview: Fix coordinates when background drawing of text node

[Benjamin Otte <otte src gnome org>]

commit d7bc0fd24cffe09cbd8b82b9119ec777ff570737
Author: Benjamin Otte <otte redhat com>
Date:   Sat Feb 27 03:26:52 2016 +0100

    textview: Fix coordinates when background drawing of text node
    
    Fixes black areas in source view of gtk-demo.

 gtk/gtktextview.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtktextview.c b/gtk/gtktextview.c
index 3424c47..d36570c 100644
--- a/gtk/gtktextview.c
+++ b/gtk/gtktextview.c
@@ -5861,7 +5861,7 @@ draw_text (cairo_t  *cr,
   context = gtk_widget_get_style_context (widget);
   gtk_style_context_save_to_node (context, text_view->priv->text_window->css_node);
   gtk_render_background (context, cr,
-                         -priv->xoffset, -priv->yoffset,
+                         -priv->xoffset, -priv->yoffset - priv->top_border,
                          MAX (SCREEN_WIDTH (text_view), priv->width),
                          MAX (SCREEN_HEIGHT (text_view), priv->height));
   gtk_style_context_restore (context);