Apply Gears modifications to zlib to our copy, so we're both using the same...

third_party/zlib/README.google

Index: third_party/zlib/README.google
===================================================================
--- third_party/zlib/README.google	(revision 7877)
+++ third_party/zlib/README.google	(working copy)
@@ -1,15 +1,13 @@
-This library was downloaded from http://www.zlib.net/zlib-1.2.3.zip
-
-Licensing information appears at the top of each source file.
-
-ZLIB is a compression library compatible with the gzip format. 
-It has been written by Jean-Loup Gailly and Mark Adler. It is free software.
-
-The minizip contrib package enables extracting files from a .zip archive file.
-
-This directory contains a subset of the source package, just the main source 
-and a single contrib package, minizip.
-
-Version: 1.2.3
-
-Learn more at http://www.zlib.net/
+URL:  http://zlib.net/
+Version: 1.2.3
+License: zlib
+License File: LICENSE
+
+Description:
+General purpose compression library
+
+Local Modifications:
+A few minor changes, all marked with "Google":
+- Added #ifdefs to avoid compile warnings when NO_GZCOMPRESS is defined.
+- Removed use of strerror for WinCE in gzio.c.
+- Added 'int z_errno' global for WinCE, to which 'errno' is defined in zutil.h.