--- old/src/share/native/sun/awt/splashscreen/splashscreen_png.c	2010-05-20 08:47:47.157046828 +0100
+++ new/src/share/native/sun/awt/splashscreen/splashscreen_png.c	2010-05-20 08:47:46.977091043 +0100
@@ -182,7 +182,7 @@
     int success = 0;
 
     stream->read(stream, sig, SIG_BYTES);
-    if (!png_check_sig(sig, SIG_BYTES)) {
+    if (png_sig_cmp(sig, 0, SIG_BYTES)) {
         goto done;
     }
     success = SplashDecodePng(splash, my_png_read_stream, stream);