http://icculus.org/pipermail/physfs/2017-January/001217.html

diff -r 34ebe997c5c0 archivers/zip.c
--- a/archivers/zip.c	Fri Jan 01 12:53:41 2016 -0500
+++ b/archivers/zip.c	Wed Jan 25 20:56:26 2017 +0300
@@ -327,7 +327,8 @@
                 return(0);
 
             inflateEnd(&finfo->stream);
-            memcpy(&finfo->stream, &str, sizeof (z_stream));
+            inflateCopy(&finfo->stream, &str);
+            inflateEnd(&str);
             finfo->uncompressed_position = finfo->compressed_position = 0;
         } /* if */