Revert "Revert "Merge patch series "zlib: Address CVE-2016-9841"""

Now that the release has happened, bring back the update to zlib.

This reverts commit bbacdd3ef7762fbdeab43ceea5205d1fd0f25bbd.

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/lib/gzip.c b/lib/gzip.c
index 5d9c195..a9a3df5 100644
--- a/lib/gzip.c
+++ b/lib/gzip.c
@@ -67,7 +67,7 @@
 
 	r = deflateInit2_(&s, Z_BEST_SPEED, Z_DEFLATED,	window,
 			DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY,
-			ZLIB_VERSION, sizeof(z_stream));
+			sizeof(z_stream));
 	if (r != Z_OK) {
 		printf ("Error: deflateInit2_() returned %d\n", r);
 		return -1;