p9fs.5: rename to p9fs.4

This is a filesystem (driver), not a file format, so it should be in
section 4.

Pull Request:	https://github.com/freebsd/freebsd-src/pull/1520

ObsoleteFiles.inc

@@ -51,6 +51,9 @@
 #   xargs -n1 | sort | uniq -d;
 # done
 
+# 20241112: move p9fs from section 5 to section 4
+OLD_FILES+=usr/share/man/man5/p9fs.5.gz
+
 # 20241104: remove the outdated c2x.7 symlink in favor of c23.7
 OLD_FILES+=usr/share/man/man7/c2x.7.gz
 

share/man/man4/Makefile

@@ -442,6 +442,7 @@ MAN=	aac.4 \
 	owc.4 \
 	ovpn.4 \
 	${_padlock.4} \
+	p9fs.4 \
 	pass.4 \
 	pca954x.4 \
 	pccard.4 \

share/man/man4/p9fs.4

@@ -22,8 +22,8 @@
 .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
-.Dd December 7, 2022
-.Dt P9FS 5
+.Dd November 7, 2024
+.Dt P9FS 4
 .Os
 .Sh NAME
 .Nm p9fs

share/man/man5/Makefile

@@ -34,7 +34,6 @@ MAN=	acct.5 \
 	nsmb.conf.5 \
 	nsswitch.conf.5 \
 	os-release.5 \
-	p9fs.5 \
 	passwd.5 \
 	pbm.5 \
 	periodic.conf.5 \