libpng-export_old.patch

diff -aurN libpng-1.2.44.orig/png.h libpng-1.2.44/png.h
--- libpng-1.2.44.orig/png.h	2010-07-05 12:13:39.000000000 +0200
+++ libpng-1.2.44/png.h	2010-07-05 12:18:02.000000000 +0200
@@ -1879,16 +1879,16 @@
 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 */
+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 */
+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,
diff -aurN libpng-1.2.44.orig/pngread.c libpng-1.2.44/pngread.c
--- libpng-1.2.44.orig/pngread.c	2010-07-05 12:13:39.000000000 +0200
+++ libpng-1.2.44/pngread.c	2010-07-05 12:19:18.000000000 +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)
 {
diff -aurN libpng-1.2.44.orig/pngwrite.c libpng-1.2.44/pngwrite.c
--- libpng-1.2.44.orig/pngwrite.c	2010-07-05 12:13:39.000000000 +0200
+++ libpng-1.2.44/pngwrite.c	2010-07-05 12:18:59.000000000 +0200
@@ -1107,7 +1107,7 @@
 
 
 /* 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