Update zlib 3rd party code to v1.2.11

zlib source code, version 1.2.11. https://www.zlib.net/.

Include all the gynmastics involved in:
- making sure we compile zlibstat and set the output files locations and filename to those expected by the starshatter setup.
- turning off the ASM includes as they are invalid for the new versions of zlib (and crash when running).
- matching the calling conventions of the Starshatter code by ommiting ZLIB_WINAPI from the zlib preprocessor defines.
- fix debug build compile error in zlibstatic:
https://stackoverflow.com/questions/31867018/unresolved-external-symbol-except-handler4-common-in-visual-studio-2015

This fixes some string warnings.

1 files changed, 25 insertions, 0 deletions

diff --git a/zlib/gzclose.c b/zlib/gzclose.c
new file mode 100644
index 0000000..caeb99a
--- /dev/null
+++ b/zlib/gzclose.c
@@ -0,0 +1,25 @@
+/* gzclose.c -- zlib gzclose() function
+ * Copyright (C) 2004, 2010 Mark Adler
+ * For conditions of distribution and use, see copyright notice in zlib.h
+ */
+
+#include "gzguts.h"
+
+/* gzclose() is in a separate file so that it is linked in only if it is used.
+   That way the other gzclose functions can be used instead to avoid linking in
+   unneeded compression or decompression routines. */
+int ZEXPORT gzclose(file)
+    gzFile file;
+{
+#ifndef NO_GZCOMPRESS
+    gz_statep state;
+
+    if (file == NULL)
+        return Z_STREAM_ERROR;
+    state = (gz_statep)file;
+
+    return state->mode == GZ_READ ? gzclose_r(file) : gzclose_w(file);
+#else
+    return gzclose_r(file);
+#endif
+}