git: 4eaa7f66620c - main - stat(2): Document the st_rdev field

The branch main has been updated by des:

URL: https://cgit.FreeBSD.org/src/commit/?id=4eaa7f66620c33957ff9a929820cb791f7fe5578

commit 4eaa7f66620c33957ff9a929820cb791f7fe5578
Author:     Dag-Erling Smørgrav <des@FreeBSD.org>
AuthorDate: 2025-08-17 17:07:55 +0000
Commit:     Dag-Erling Smørgrav <des@FreeBSD.org>
CommitDate: 2025-08-17 17:29:27 +0000

    stat(2): Document the st_rdev field
    
    MFC after:      1 week
    Sponsored by:   Klara, Inc.
    Sponsored by:   NetApp, Inc.
    Reviewed by:    bcr
    Differential Revision:  https://reviews.freebsd.org/D51946
---
 lib/libsys/stat.2 | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/libsys/stat.2 b/lib/libsys/stat.2
index bd9005710147..8107740bd901 100644
--- a/lib/libsys/stat.2
+++ b/lib/libsys/stat.2
@@ -25,7 +25,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd March 30, 2021
+.Dd August 17, 2025
 .Dt STAT 2
 .Os
 .Sh NAME
@@ -169,6 +169,9 @@ Flags enabled for the file.
 See
 .Xr chflags 2
 for the list of flags and their description.
+.It Va st_rdev
+Numeric ID of the device referenced by the file, if the file is a
+character or block special; otherwise unspecified.
 .El
 .Pp
 The