[gimp/gimp-2-8] Revert "Bug 683381 - Inverted alpha behavior of 16-bit Targa files"

[Michael Natterer <mitch src gnome org>]

commit 029d9ab9a5c36dfa4c03f934e1a9e2fc3de2ce51
Author: Michael Natterer <mitch gimp org>
Date:   Wed Sep 5 23:34:59 2012 +0200

    Revert "Bug 683381 - Inverted alpha behavior of 16-bit Targa files"
    
    This reverts commit e2915eba7c3bc5761747a46b1e15550d30fe19fa.

 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 a490b62..c1d05dd 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) ? 255 : 0;
+          dest[3] = (src[1] & 0x80) ? 0 : 255;
           dest += 4;
         }
       else