Improved richedit headers.

diff --git a/include/Makefile.in b/include/Makefile.in
index 22b2246..4f18004 100644
--- a/include/Makefile.in
+++ b/include/Makefile.in
@@ -105,6 +105,7 @@
 	ras.h \
 	regstr.h \
 	richedit.h \
+	richole.h \
 	rpc.h \
 	rpcdce.h \
 	rpcdcep.h \