[gimp/gimp-2-8] file-tga: Simplify has_alpha expression

[Mukund Sivaraman <muks src gnome org>]

commit b717e155d90d6c19f7f3acb2186f660819adb564
Author: Mukund Sivaraman <muks banu com>
Date:   Wed Dec 5 00:45:36 2012 +0530

    file-tga: Simplify has_alpha expression

 plug-ins/common/file-tga.c |    5 +----
 1 files changed, 1 insertions(+), 4 deletions(-)
---
diff --git a/plug-ins/common/file-tga.c b/plug-ins/common/file-tga.c
index 95410bf..82ced38 100644
--- a/plug-ins/common/file-tga.c
+++ b/plug-ins/common/file-tga.c
@@ -927,10 +927,7 @@ read_line (FILE         *fp,
     }
   else if (convert_cmap)
     {
-      gboolean has_alpha = (info->colorMapSize > 24) ||
-                            ((info->colorMapSize == 16 ||
-                              info->colorMapSize == 15) &&
-                             (info->alphaBits > 0));
+      gboolean has_alpha = (info->alphaBits > 0);
 
       apply_colormap (row, buffer, info->width, convert_cmap, has_alpha);
     }