diff -Naur fuse-1.0.0.1.orig/screenshot.c fuse-1.0.0.1/screenshot.c
--- fuse-1.0.0.1.orig/screenshot.c	2011-01-12 16:36:28.000000000 -0500
+++ fuse-1.0.0.1/screenshot.c	2012-07-26 17:01:56.470317089 -0400
@@ -49,6 +49,7 @@
 #ifdef USE_LIBPNG
 
 #include <png.h>
+#include <zlib.h>
 
 static int get_rgb32_data( libspectrum_byte *rgb32_data, size_t stride,
 			   size_t height, size_t width );