[gimp] Bug 683381 - Inverted alpha behavior of 16-bit Targa files

[Michael Natterer <mitch src gnome org>]

commit dc00fb57a0e50a9231515aa473bccc1e449aed10
Author: Mike Gran <spk121 yahoo com>
Date:   Tue Sep 4 23:38:42 2012 -0700

    Bug 683381 - Inverted alpha behavior of 16-bit Targa files
    
    file-tga.c (upsample): swap alpha behavior

 plug-ins/common/file-tga.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/plug-ins/common/file-tga.c b/plug-ins/common/file-tga.c
index c1d05dd..a490b62 100644
--- a/plug-ins/common/file-tga.c
+++ b/plug-ins/common/file-tga.c
@@ -812,7 +812,7 @@ upsample (guchar       *dest,
 
       if (alpha)
         {
-          dest[3] = (src[1] & 0x80) ? 0 : 255;
+          dest[3] = (src[1] & 0x80) ? 255 : 0;
           dest += 4;
         }
       else