[gimp/soc-2011-seamless-clone2] Bug 674622 - Misalignment in scaling layers of different sizes

[Clayton Walker <claytonw src gnome org>]

commit 3a8584373f601baa10fe004d479c5117443e442c
Author: Téo Mazars <teo mazars ensimag fr>
Date:   Wed Feb 13 10:25:08 2013 +0100

    Bug 674622 - Misalignment in scaling layers of different sizes
    
    Again bad use of ROUND() on signed values...

 app/core/gimpitem.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/app/core/gimpitem.c b/app/core/gimpitem.c
index 912c3a0..19ad113 100644
--- a/app/core/gimpitem.c
+++ b/app/core/gimpitem.c
@@ -1290,8 +1290,8 @@ gimp_item_scale_by_factors (GimpItem              *item,
       return FALSE;
     }
 
-  new_offset_x = ROUND (w_factor * (gdouble) private->offset_x);
-  new_offset_y = ROUND (h_factor * (gdouble) private->offset_y);
+  new_offset_x = SIGNED_ROUND (w_factor * (gdouble) private->offset_x);
+  new_offset_y = SIGNED_ROUND (h_factor * (gdouble) private->offset_y);
   new_width    = ROUND (w_factor * (gdouble) gimp_item_get_width  (item));
   new_height   = ROUND (h_factor * (gdouble) gimp_item_get_height (item));