git: e48e530e1f3b - stable/13 - hier(7): fix a couple mandoc warnings

The branch stable/13 has been updated by mhorne:

URL: https://cgit.FreeBSD.org/src/commit/?id=e48e530e1f3b2cb8e4c90dcc3d57edf6396718bd

commit e48e530e1f3b2cb8e4c90dcc3d57edf6396718bd
Author:     Mitchell Horne <mhorne@FreeBSD.org>
AuthorDate: 2023-05-10 13:26:35 +0000
Commit:     Mitchell Horne <mhorne@FreeBSD.org>
CommitDate: 2023-06-09 19:48:07 +0000

    hier(7): fix a couple mandoc warnings
    
    These references are rendered correctly without the zero-width space.
    
    MFC after:      1 week
    Sponsored by:   The FreeBSD Foundation
    
    (cherry picked from commit 031049cf3262ec5981cebc35d9b70623177a84bd)
---
 share/man/man7/hier.7 | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/share/man/man7/hier.7 b/share/man/man7/hier.7
index 91c8f3328384..498dae503133 100644
--- a/share/man/man7/hier.7
+++ b/share/man/man7/hier.7
@@ -88,7 +88,7 @@ device special files managed by
 .It Pa fd/
 file descriptor files;
 see
-.Xr \&fd 4
+.Xr fd 4
 .El
 .It Pa /home/
 user HOME directories.
@@ -472,7 +472,7 @@ see
 .It Pa at/
 timed command scheduling files;
 see
-.Xr \&at 1
+.Xr at 1
 .Pp
 .Bl -tag -width Fl -compact
 .It Pa jobs/
@@ -545,7 +545,7 @@ see
 temporary home of files preserved after an accidental death
 of an editor;
 see
-.Xr \&ex 1
+.Xr ex 1
 .It Pa quotas/
 file system quota information files
 .It Pa run/