add Makefile.vc
diff --git a/src/Makefile.am b/src/Makefile.am
index 559d3a9..8ed36bc 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -40,3 +40,6 @@
 	test_libFLAC++ \
 	$(OGGFLAC_TEST_DIRS) \
 	test_streams
+
+EXTRA_DIST = \
+	Makefile.vc