[gimp] app: fix typos in comment.

[Jehan Pagès <jehanp src gnome org>]

commit 2cf381d21160bbe3a33ef1af63a89a49de932c8a
Author: Jehan <jehan girinstud io>
Date:   Wed Jan 20 21:29:24 2016 +0100

    app: fix typos in comment.

 app/paint/gimpmybrushcore.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/app/paint/gimpmybrushcore.c b/app/paint/gimpmybrushcore.c
index 443a731..8eb5964 100644
--- a/app/paint/gimpmybrushcore.c
+++ b/app/paint/gimpmybrushcore.c
@@ -146,8 +146,8 @@ gimp_mybrush_core_interpolate (GimpPaintCore    *paint_core,
 {
   GimpMybrushCore *mybrush = GIMP_MYBRUSH_CORE (paint_core);
 
-  /* If this is the first motion the brush has recived then
-   * we're being asked to draw a syntetic stroke in line mode
+  /* If this is the first motion the brush has received then
+   * we're being asked to draw a synthetic stroke in line mode
    */
   if (mybrush->private->last_time < 0)
   {