--- sng-1.0.2/sngd.c.bak	2005-04-03 17:13:49.000000000 -0700
+++ sng-1.0.2/sngd.c	2005-04-03 17:14:14.000000000 -0700
@@ -30,8 +30,8 @@
 };
 
 static char *current_file;
-static png_structp png_ptr;
-static png_infop info_ptr;
+png_structp png_ptr;
+png_infop info_ptr;
 
 /*****************************************************************************
  *