[gimp] app: add safety margin to the smudge buffer not to stamp

[Alexia Death <alexiade src gnome org>]

commit 06f99b7402b53cb8520963cde62b2842bad7bef6
Author: Alexia Death <alexiadeath gmail com>
Date:   Fri Jan 20 23:31:45 2012 +0200

    app: add safety margin to the smudge buffer not to stamp

 app/paint/gimpsmudge.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/app/paint/gimpsmudge.c b/app/paint/gimpsmudge.c
index af9a46e..9e959ac 100644
--- a/app/paint/gimpsmudge.c
+++ b/app/paint/gimpsmudge.c
@@ -375,5 +375,5 @@ gimp_smudge_accumulator_size (GimpPaintOptions *paint_options,
 {
 
   /* Note: the max brush mask size plus a border of 1 pixel */
-  *accumulator_size = ceil (sqrt (2 * SQR(paint_options->brush_size + 1)));
+  *accumulator_size = ceil (sqrt (2 * SQR(paint_options->brush_size)) + 2);
 }
\ No newline at end of file