--- zlib-1.2.3.9/gzread.c	2010-02-16 08:55:45.000000000 +0100
+++ zlib-1.2.3.9-patched//gzread.c	2010-03-08 19:20:09.000000000 +0100
@@ -646,6 +646,7 @@
     }
     gz_error(state, Z_OK, NULL);
     ret = close(state->fd);
+    free(state->path);
     free(state);
     return ret ? Z_ERRNO : Z_OK;
 }
diff -u zlib-1.2.3.9/gzwrite.c zlib-1.2.3.9-patched//gzwrite.c
--- zlib-1.2.3.9/gzwrite.c	2010-02-15 07:26:13.000000000 +0100
+++ zlib-1.2.3.9-patched//gzwrite.c	2010-03-08 19:20:02.000000000 +0100
@@ -524,6 +524,7 @@
     free(state->out);
     free(state->in);
     ret += close(state->fd);
+    free(state->path);
     gz_error(state, Z_OK, NULL);
     free(state);
     return ret ? Z_ERRNO : Z_OK;