Add Attributes.cpp to the vcproj.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56561 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/win32/VMCore/VMCore.vcproj b/win32/VMCore/VMCore.vcproj
index 8a26024..9cff8fa 100644
--- a/win32/VMCore/VMCore.vcproj
+++ b/win32/VMCore/VMCore.vcproj
@@ -310,6 +310,10 @@
 				>
 			</File>
 			<File
+				RelativePath="..\..\lib\VMCore\Attributes.cpp"
+				>
+			</File>
+			<File
 				RelativePath="..\..\lib\VMCore\AutoUpgrade.cpp"
 				>
 			</File>