git: 1ee1bfed821b - stable/15 - ntsync: install headers for userspace consumption

The branch stable/15 has been updated by kib:

URL: https://cgit.FreeBSD.org/src/commit/?id=1ee1bfed821bec588b8bbaf04e214079ed5c3f54

commit 1ee1bfed821bec588b8bbaf04e214079ed5c3f54
Author:     Konstantin Belousov <kib@FreeBSD.org>
AuthorDate: 2026-05-17 07:43:01 +0000
Commit:     Konstantin Belousov <kib@FreeBSD.org>
CommitDate: 2026-06-13 00:58:31 +0000

    ntsync: install headers for userspace consumption
    
    (cherry picked from commit 0ac9aac81c40159d561e43fc6976a866f852832b)
---
 etc/mtree/BSD.include.dist | 2 ++
 include/Makefile           | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/etc/mtree/BSD.include.dist b/etc/mtree/BSD.include.dist
index ce37d803c2a9..81ea0842035c 100644
--- a/etc/mtree/BSD.include.dist
+++ b/etc/mtree/BSD.include.dist
@@ -235,6 +235,8 @@
             mpilib
             ..
         ..
+        ntsync
+        ..
         nvme
         ..
         nvmf
diff --git a/include/Makefile b/include/Makefile
index 57b2b34f6c6e..04eb6bbcc6f6 100644
--- a/include/Makefile
+++ b/include/Makefile
@@ -51,7 +51,7 @@ LDIRS=	geom net net80211 netgraph netinet netinet6 \
 
 LSUBDIRS=	dev/acpica dev/agp dev/ciss dev/filemon dev/firewire \
 	dev/hwpmc dev/hyperv \
-	dev/ic dev/iicbus dev/io dev/mfi dev/mmc \
+	dev/ic dev/iicbus dev/io dev/mfi dev/mmc dev/ntsync \
 	dev/ofw dev/pbio dev/pci ${_dev_powermac_nvram} dev/ppbus dev/pwm \
 	dev/smbus dev/speaker dev/tcp_log dev/veriexec dev/vkbd dev/wg \
 	fs/devfs fs/fdescfs fs/msdosfs fs/nfs fs/nullfs \