[gtk+/gtk-2-18] Fix a thinko in computing damage for segments

[Matthias Clasen <matthiasc src gnome org>]

commit 0d15334671644a903ebc67f358a08ff67585300b
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Dec 18 19:17:04 2009 -0500

    Fix a thinko in computing damage for segments
    
    The code was not taking the endpoint of the first segment into account.
    This was reported in bug 604747.
    (cherry picked from commit aadb190b77b0bd7d55f0e8939aaea10932c5328c)

 gdk/gdkoffscreenwindow.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gdk/gdkoffscreenwindow.c b/gdk/gdkoffscreenwindow.c
index dcba0a1..23d92af 100644
--- a/gdk/gdkoffscreenwindow.c
+++ b/gdk/gdkoffscreenwindow.c
@@ -514,7 +514,7 @@ gdk_offscreen_window_draw_segments (GdkDrawable  *drawable,
       min_x = max_x = segs[0].x1;
       min_y = max_y = segs[0].y1;
 
-	for (i = 1; i < nsegs; i++)
+	for (i = 0; i < nsegs; i++)
 	  {
 	    min_x = MIN (min_x, segs[i].x1);
 	    max_x = MAX (max_x, segs[i].x1);