mshtml: Added optary.idl file.

include/Makefile.in

diff --git a/include/Makefile.in b/include/Makefile.in
index 75d928d..02a009b 100644
--- a/include/Makefile.in
+++ b/include/Makefile.in
@@ -31,6 +31,7 @@
 	objsafe.idl \
 	ocidl.idl \
 	oleidl.idl \
+	optary.idl \
 	propidl.idl \
 	pstore.idl \
 	richole.idl \