Imported from libpng-1.4.0beta33.tar
diff --git a/scripts/pngos2.def b/scripts/pngos2.def
index b85f32d..882d4df 100644
--- a/scripts/pngos2.def
+++ b/scripts/pngos2.def
@@ -2,7 +2,7 @@
 ; PNG.LIB module definition file for OS/2
 ;----------------------------------------
 
-; Version 1.4.0beta32
+; Version 1.4.0beta33
 
 LIBRARY		PNG
 DESCRIPTION	"PNG image compression library for OS/2"
@@ -224,6 +224,10 @@
   png_get_io_state
   png_set_premultiply_alpha
 
+; Added at version 1.4.0
+  png_get_chunk_cache_max
+  png_set_chunk_cache_max
+
 ; These are not present when libpng is compiled with PNG_NO_GLOBAL_ARRAYS
   png_libpng_ver
   png_pass_start