diff --git a/include/Makefile.am b/include/Makefile.am
index fc25b57a4..2033a1f9a 100644
--- a/include/Makefile.am
+++ b/include/Makefile.am
@@ -18,60 +18,64 @@ krb5-types.h: bits$(EXEEXT)
 crypto-headers.h: make_crypto$(EXEEXT)
 	./make_crypto$(EXEEXT) crypto-headers.h
 
-CLEANFILES =		\
-	cms_asn1.h 	\
-	der-protos.h 	\
-	digest_asn1.h 	\
-	hdb-protos.h	\
-	heim_asn1.h	\
-	hex.h		\
-	hx509-protos.h	\
-	hx509.h		\
-	hx509_err.h	\
-	k524_err.h	\
-	kdc-protos.h	\
-	kdc.h		\
-	krb5_asn1.h	\
-	krb5_ccapi.h	\
-	parse_bytes.h	\
-	pkcs12_asn1.h	\
-	pkcs8_asn1.h	\
-	pkcs9_asn1.h	\
-	pkinit_asn1.h	\
-	rfc2459_asn1.h	\
-	rtbl.h		\
-	test-mem.h	\
-	vers.h		\
-	vis.h		\
-	asn1.h		\
-	asn1_err.h	\
-	base64.h	\
-	com_err.h	\
-	com_right.h	\
-	crypto-headers.h\
-	der.h		\
-	editline.h	\
-	err.h		\
-	getarg.h	\
-	glob.h		\
-	gssapi.h	\
-	hdb.h		\
-	hdb_asn1.h	\
-	hdb_err.h	\
-	heim_err.h	\
-	kafs.h		\
-	krb5-protos.h	\
-	krb5-private.h	\
-	krb5-types.h	\
-	krb5.h		\
-	krb5_err.h	\
-	otp.h		\
-	parse_time.h	\
-	parse_units.h	\
-	resolve.h	\
-	roken-common.h	\
-	roken.h		\
-	sl.h		\
+CLEANFILES =			\
+	cms_asn1.h 		\
+	der-protos.h 		\
+	digest_asn1.h 		\
+	hdb-protos.h		\
+	heim_asn1.h		\
+	hex.h			\
+	hx509-protos.h		\
+	hx509.h			\
+	hx509_err.h		\
+	kx509_err.h		\
+	k524_err.h		\
+	kdc-protos.h		\
+	kdc.h			\
+	krb5_asn1.h		\
+	krb5_ccapi.h		\
+	parse_bytes.h		\
+	pkcs12_asn1.h		\
+	pkcs8_asn1.h		\
+	pkcs9_asn1.h		\
+	pkinit_asn1.h		\
+	rfc2459_asn1.h		\
+	rtbl.h			\
+	test-mem.h		\
+	vers.h			\
+	vis.h			\
+	asn1.h			\
+	asn1_err.h		\
+	base64.h		\
+	com_err.h		\
+	com_right.h		\
+	crypto-headers.h	\
+	der.h			\
+	editline.h		\
+	err.h			\
+	getarg.h		\
+	glob.h			\
+	gssapi.h		\
+	hdb.h			\
+	hdb_asn1.h		\
+	hdb_err.h		\
+	heim_err.h		\
+	heimntlm.h		\
+	heimntlm-protos.h	\
+	kafs.h			\
+	krb5-protos.h		\
+	krb5-private.h		\
+	krb5-types.h		\
+	krb5.h			\
+	krb5_err.h		\
+	otp.h			\
+	parse_time.h		\
+	parse_units.h		\
+	resolve.h		\
+	roken-common.h		\
+	roken.h			\
+	sl.h			\
+	windc_plugin.h		\
 	xdbm.h
 
 DISTCLEANFILES = 	\