Merge with trunk up to revision 45620.
diff --git a/PCbuild/_elementtree.vcproj b/PCbuild/_elementtree.vcproj
index e7f9117..3278874 100644
--- a/PCbuild/_elementtree.vcproj
+++ b/PCbuild/_elementtree.vcproj
@@ -132,7 +132,7 @@
 				AdditionalOptions=" /USECL:MS_ITANIUM"
 				Optimization="2"
 				InlineFunctionExpansion="1"
-				AdditionalIncludeDirectories="{MSSDKPATH}\include\Win64\atl;{MSSDKPATH}\include\Win64\crt;{MSSDKPATH}\include\Win64\crt\sys;{MSSDKPATH}\include\Win64\mfc;..\Include,..\PC,..\Modules\expat"
+				AdditionalIncludeDirectories="..\Include,..\PC,..\Modules\expat"
 				PreprocessorDefinitions="NDEBUG;WIN32;_WINDOWS;XML_NS;XML_DTD;BYTEORDER=1234;XML_CONTEXT_BYTES=1024;USE_PYEXPAT_CAPI;XML_STATIC;HAVE_MEMMOVE"
 				StringPooling="TRUE"
 				BasicRuntimeChecks="0"
@@ -193,7 +193,7 @@
 				AdditionalOptions=" /USECL:MS_OPTERON"
 				Optimization="2"
 				InlineFunctionExpansion="1"
-				AdditionalIncludeDirectories="{MSSDKPATH}\include\Win64\atl\amd64;{MSSDKPATH}\include\Win64\crt\amd64;{MSSDKPATH}\include\Win64\crt\amd64\sys;{MSSDKPATH}\include\Win64\mfc\amd64;..\Include,..\PC,..\Modules\expat"
+				AdditionalIncludeDirectories="..\Include,..\PC,..\Modules\expat"
 				PreprocessorDefinitions="NDEBUG;WIN32;_WINDOWS;XML_NS;XML_DTD;BYTEORDER=1234;XML_CONTEXT_BYTES=1024;USE_PYEXPAT_CAPI;XML_STATIC;HAVE_MEMMOVE"
 				StringPooling="TRUE"
 				BasicRuntimeChecks="0"