Update freeze to use zlib 1.1.4.

From patch: [ 574532 ] Update freeze to use zlib 1.1.4
diff --git a/Tools/freeze/extensions_win32.ini b/Tools/freeze/extensions_win32.ini
index 996d0a4..efc5e35 100644
--- a/Tools/freeze/extensions_win32.ini
+++ b/Tools/freeze/extensions_win32.ini
@@ -49,8 +49,8 @@
 
 [zlib]
 dsp=%PYTHONPREFIX%\PCBuild\zlib.dsp
-cl=/I %PYTHONPREFIX%\..\zlib-1.1.3 /D _WINDOWS /D WIN32 
-libs=%PYTHONPREFIX%\..\zlib-1.1.3\zlib.lib /nodefaultlib:libc
+cl=/I %PYTHONPREFIX%\..\zlib-1.1.4 /D _WINDOWS /D WIN32 
+libs=%PYTHONPREFIX%\..\zlib-1.1.4\zlib.lib /nodefaultlib:libc
 
 [_winreg]
 dsp=%PYTHONPREFIX%\PCBuild\winreg.dsp