File fix_compression_constant.patch of Package nonpareil

--- src/printer.c.orig	2015-02-25 14:59:31.704375067 -0300
+++ src/printer.c	2015-02-25 14:59:52.668375147 -0300
@@ -594,7 +594,7 @@
     }
 
   png_init_io (png_ptr, f);
-  png_set_compression_level (png_ptr, Z_BEST_COMPRESSION);
+  png_set_compression_level (png_ptr, 9);
 
   png_set_IHDR (png_ptr,
 		info_ptr,