Updated VC++ build system.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42835 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/win32/Bitcode/Bitcode.vcproj b/win32/Bitcode/Bitcode.vcproj
index ad73381..d41daf5 100644
--- a/win32/Bitcode/Bitcode.vcproj
+++ b/win32/Bitcode/Bitcode.vcproj
@@ -185,6 +185,10 @@
 					>
 				</File>
 				<File
+					RelativePath="..\..\lib\Bitcode\Writer\BitWriter.cpp"
+					>
+				</File>
+				<File
 					RelativePath="..\..\lib\Bitcode\Writer\ValueEnumerator.cpp"
 					>
 				</File>