zlib: Suppress some MSVC warnings
Restore the warning suppression code added by commit 0e4571d25c (ENH:
Initial import from VTK, 2005-01-26, v2.4.0~2414) and commit 3edcd70754
(ENH: Update zlib to 1.2.3, 2007-09-11, v2.6.0~1135).
diff --git a/Utilities/cmzlib/zutil.h b/Utilities/cmzlib/zutil.h
index b7d5eff..3341e7c 100644
--- a/Utilities/cmzlib/zutil.h
+++ b/Utilities/cmzlib/zutil.h
@@ -163,6 +163,12 @@
# endif
#endif
+#if defined(_MSC_VER)
+#pragma warning ( disable : 4127 ) /* cond expr is constant */
+#pragma warning ( disable : 4131 ) /* old style declaration */
+#pragma warning ( disable : 4244 ) /* conversion loss of data */
+#endif
+
/* common defaults */
#ifndef OS_CODE
