Updated VC++ build system

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43123 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/win32/Support/Support.vcproj b/win32/Support/Support.vcproj
index 5f7c4dc..364fbf8 100644
--- a/win32/Support/Support.vcproj
+++ b/win32/Support/Support.vcproj
@@ -276,6 +276,10 @@
 				>
 			</File>
 			<File
+				RelativePath="..\..\include\llvm\Support\AlignOf.h"
+				>
+			</File>
+			<File
 				RelativePath="..\..\include\llvm\Support\Allocator.h"
 				>
 			</File>