[gimp] Use gboolean instead of gint for boolean value

[Michael Natterer <mitch src gnome org>]

commit 83c79bad5d2018adb9c13ab57ef63b846dcb3383
Author: Michael Natterer <mitch gimp org>
Date:   Tue Sep 8 19:57:50 2009 +0200

    Use gboolean instead of gint for boolean value

 app/core/gimpdrawable-convert.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/app/core/gimpdrawable-convert.c b/app/core/gimpdrawable-convert.c
index c4a79b5..7ae8978 100644
--- a/app/core/gimpdrawable-convert.c
+++ b/app/core/gimpdrawable-convert.c
@@ -40,7 +40,7 @@ gimp_drawable_convert_tiles_rgb (GimpDrawable *drawable,
   gint          row, col;
   gint          offset;
   GimpImageType type;
-  gint          has_alpha;
+  gboolean      has_alpha;
   const guchar *src, *s;
   guchar       *dest, *d;
   const guchar *cmap;