[master] Removed a harmless extra png_set_invert_alpha()

from pngwrite.c

ANNOUNCE

 
-Libpng 1.2.41beta09 - October 30, 2009
+Libpng 1.2.41beta09 - October 31, 2009
 
 This is not intended to be a public release.  It will be replaced
 within a few weeks by a public version or by another test version.
@@ -84,7 +84,8 @@ version 1.2.41beta08 [October 30, 2009]
   Relocated png_do_chop() ahead of building gamma tables in pngrtran.c
     This avoids building 16-bit gamma tables unnecessarily.
 
-version 1.2.41beta09 [October 30, 2009]
+version 1.2.41beta09 [October 31, 2009]
+  Removed a harmless extra png_set_invert_alpha() from pngwrite.c
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 

CHANGES

@@ -2466,7 +2466,7 @@ version 1.2.40beta01 [August 20, 2009]
 version 1.2.40rc01 [September 2, 2009]
   Various bugfixes and improvements to CMakeLists.txt (Philip Lowman)
 
-version 1.2.40 and 1.0.49 [October 30, 2009]
+version 1.2.40 and 1.0.49 [October 31, 2009]
   No changes.
 
 version 1.0.50 [September 10, 2009]
@@ -2514,7 +2514,8 @@ version 1.2.41beta08 [October 30, 2009]
   Relocated png_do_chop() ahead of building gamma tables in pngrtran.c
     This avoids building 16-bit gamma tables unnecessarily.
 
-version 1.2.41beta09 [October 30, 2009]
+version 1.2.41beta09 [October 31, 2009]
+  Removed a harmless extra png_set_invert_alpha() from pngwrite.c
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
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pngwrite.c

 
 /* pngwrite.c - general routines to write a PNG file
  *
- * Last changed in libpng 1.2.41 [October 30, 2009]
+ * Last changed in libpng 1.2.41 [October 31, 2009]
  * Copyright (c) 1998-2009 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
  * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
@@ -1565,12 +1565,6 @@ png_write_png(png_structp png_ptr, png_infop info_ptr,
       png_set_packswap(png_ptr);
 #endif
 
-#ifdef PNG_WRITE_INVERT_ALPHA_SUPPORTED
-   /* Invert the alpha channel from opacity to transparency */
-   if (transforms & PNG_TRANSFORM_INVERT_ALPHA)
-      png_set_invert_alpha(png_ptr);
-#endif
-
 #ifdef PNG_WRITE_INVERT_ALPHA_SUPPORTED
    /* Invert the alpha channel from opacity to transparency */
    if (transforms & PNG_TRANSFORM_INVERT_ALPHA)