[gimp] app: type s/Thia/This/.

[Jehan Pagès <jehanp src gnome org>]

commit 38f1b50a15d5a4cad7807d5d948bfd39464a3c20
Author: Jehan <jehan girinstud io>
Date:   Fri Jul 1 19:50:13 2016 +0200

    app: type s/Thia/This/.

 app/core/gimpimagefile.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/app/core/gimpimagefile.c b/app/core/gimpimagefile.c
index e58fb12..022b1b7 100644
--- a/app/core/gimpimagefile.c
+++ b/app/core/gimpimagefile.c
@@ -554,7 +554,7 @@ gimp_imagefile_create_thumbnail (GimpImagefile  *imagefile,
 
 /*  The weak version doesn't ref the imagefile but deals gracefully
  *  with an imagefile that is destroyed while the thumbnail is
- *  created. Thia allows one to use this function w/o the need to
+ *  created. This allows one to use this function w/o the need to
  *  block the user interface.
  */
 void