libpng12-export_old.patch

--- libpng-1.2.41/png.h~	2009-12-03 01:46:00.000000000 +0000
+++ libpng-1.2.41/png.h	2009-12-04 11:43:03.564781939 +0000
@@ -1858,16 +1858,16 @@
 extern PNG_EXPORT(void,png_destroy_read_struct) PNGARG((png_structpp
    png_ptr_ptr, png_infopp info_ptr_ptr, png_infopp end_info_ptr_ptr));

-/* Free all memory used by the read (old method - NOT DLL EXPORTED) */
-extern void png_read_destroy PNGARG((png_structp png_ptr, png_infop info_ptr,
-   png_infop end_info_ptr)) PNG_DEPRECATED;
+/* Free all memory used by the read (old method) */
+extern PNG_EXPORT(void,png_read_destroy) PNGARG((png_structp png_ptr,
+   png_infop info_ptr, png_infop end_info_ptr)); PNG_DEPRECATED;

 /* Free any memory associated with the png_struct and the png_info_structs */
 extern PNG_EXPORT(void,png_destroy_write_struct)
    PNGARG((png_structpp png_ptr_ptr, png_infopp info_ptr_ptr));

-/* Free any memory used in png_ptr struct (old method - NOT DLL EXPORTED) */
-extern void png_write_destroy PNGARG((png_structp png_ptr)) PNG_DEPRECATED;
+/* Free any memory used in png_ptr struct (old method) */
+extern PNG_EXPORT(void,png_write_destroy) PNGARG((png_structp png_ptr)); PNG_DEPRECATED;

 /* Set the libpng method of handling chunk CRC errors */
 extern PNG_EXPORT(void,png_set_crc_action) PNGARG((png_structp png_ptr,
--- libpng-1.2.44/pngread.c.orig	2010-06-26 02:31:14.000000000 +0200
+++ libpng-1.2.44/pngread.c	2010-06-30 00:28:16.000000000 +0200
@@ -1195,7 +1195,7 @@
 }

 /* Free all memory used by the read (old method) */
-void /* PRIVATE */
+void PNGAPI
 png_read_destroy(png_structp png_ptr, png_infop info_ptr,
     png_infop end_info_ptr)
 {
--- libpng-1.2.41/pngwrite.c~	2009-12-03 01:46:00.000000000 +0000
+++ libpng-1.2.41/pngwrite.c	2009-12-04 11:46:02.941431637 +0000
@@ -1100,7 +1100,7 @@


 /* Free any memory used in png_ptr struct (old method) */
-void /* PRIVATE */
+void PNGAPI
 png_write_destroy(png_structp png_ptr)
 {
 #ifdef PNG_SETJMP_SUPPORTED