Add RewriteTest.cpp to VC++ project.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@57592 91177308-0d34-0410-b5e6-96231b3b80d8

win32/clangLibDriver/clangLibDriver.vcproj

@@ -156,6 +156,10 @@
 				RelativePath="..\..\lib\Driver\InitHeaderSearch.cpp"
 				>
 			</File>
+			<File
+				RelativePath="..\..\Driver\RewriteTest.cpp"
+				>
+			</File>
 			<File
 				RelativePath="..\..\lib\Driver\TextDiagnosticBuffer.cpp"
 				>