From 91726f2a230497571abc2e7b8b5857e394d91337 Mon Sep 17 00:00:00 2001
From: "jan.nijtmans" <nijtmans@users.sourceforge.net>
Date: Fri, 1 Jun 2012 21:09:13 +0000
Subject: bug-3530536

---
 generic/tclZlib.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/generic/tclZlib.c b/generic/tclZlib.c
index 84a81f8..0ff8b50 100644
--- a/generic/tclZlib.c
+++ b/generic/tclZlib.c
@@ -537,6 +537,7 @@ Tcl_ZlibStreamInit(
     zshPtr->currentInput = NULL;
     zshPtr->streamEnd = 0;
     memset(&zshPtr->stream, 0, sizeof(z_stream));
+    zshPtr->stream.adler = 1;
 
     /*
      * No output buffer available yet
-- 
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