Teach the Windows build about the new enumobject.c file.
diff --git a/PCbuild/pythoncore.dsp b/PCbuild/pythoncore.dsp
index b4b7a52..1c32bf1 100644
--- a/PCbuild/pythoncore.dsp
+++ b/PCbuild/pythoncore.dsp
@@ -585,6 +585,21 @@
# End Source File
# Begin Source File
+SOURCE=..\Objects\enumobject.c
+
+!IF "$(CFG)" == "pythoncore - Win32 Release"
+
+!ELSEIF "$(CFG)" == "pythoncore - Win32 Debug"
+
+!ELSEIF "$(CFG)" == "pythoncore - Win32 Alpha Debug"
+
+!ELSEIF "$(CFG)" == "pythoncore - Win32 Alpha Release"
+
+!ENDIF
+
+# End Source File
+# Begin Source File
+
SOURCE=..\Modules\errnomodule.c
!IF "$(CFG)" == "pythoncore - Win32 Release"