include: Add opnrst.idl.

include/Makefile.in

diff --git a/include/Makefile.in b/include/Makefile.in
index f53c1bb..716cec3 100644
--- a/include/Makefile.in
+++ b/include/Makefile.in
@@ -364,6 +364,7 @@
 	oleauto.h \
 	olectl.h \
 	oledlg.h \
+	opnrst.idl \
 	pdh.h \
 	pdhmsg.h \
 	pktdef.h \