Patch #1160164: Use ReleaseItanium for zlib build.

Will backport to 2.4.

PCbuild/pcbuild.sln

@@ -179,8 +179,8 @@ Global
 		{680CDC79-9CCA-4282-9A8D-927CB0DB55B2}.Debug.Build.0 = Debug|Win32
 		{680CDC79-9CCA-4282-9A8D-927CB0DB55B2}.Release.ActiveCfg = Release|Win32
 		{680CDC79-9CCA-4282-9A8D-927CB0DB55B2}.Release.Build.0 = Release|Win32
-		{680CDC79-9CCA-4282-9A8D-927CB0DB55B2}.ReleaseItanium.ActiveCfg = Release|Win32
-		{680CDC79-9CCA-4282-9A8D-927CB0DB55B2}.ReleaseItanium.Build.0 = Release|Win32
+		{680CDC79-9CCA-4282-9A8D-927CB0DB55B2}.ReleaseItanium.ActiveCfg = ReleaseItanium|Win32
+		{680CDC79-9CCA-4282-9A8D-927CB0DB55B2}.ReleaseItanium.Build.0 = ReleaseItanium|Win32
 	EndGlobalSection
 	GlobalSection(SolutionItems) = postSolution
 		readme.txt = readme.txt

PCbuild/readme.txt

@@ -135,6 +135,9 @@ zlib
     However, the zlib project is not smart enough to remove anything under
     zlib-1.2.3\ when you do a clean, so if you want to rebuild zlib.lib
     you need to clean up zlib-1.2.3\ by hand.
+    When building zlib.pyd for Itanium, the pre-link build step won't work,
+    so you will need to invoke nmake manually, using an IA64 build 
+    environment.
 
 bz2
     Python wrapper for the libbz2 compression library.  Homepage