Added future_builtins, which contains PEP 3127 compatible versions of hex() and oct().
diff --git a/PCbuild/pythoncore.vcproj b/PCbuild/pythoncore.vcproj
index 3947074..f721ac7 100644
--- a/PCbuild/pythoncore.vcproj
+++ b/PCbuild/pythoncore.vcproj
@@ -1051,6 +1051,10 @@
 				>
 			</File>
 			<File
+				RelativePath="..\Modules\future_builtins.c"
+				>
+			</File>
+			<File
 				RelativePath="..\Modules\gcmodule.c"
 				>
 			</File>