SYSTEMD: traverse 'sssdconfdir' symlink while chown-ing

to support use case where /etc/sssd is a symlink.

'-H' only allows following a command line argument itself,
everything else encountered due to '-R' isn't followed.

This is an update to a20fa0f

Resolves: SSSD#7781

src/sysv/systemd/sssd.service.in

@@ -10,7 +10,7 @@ StartLimitBurst=5
 [Service]
 Environment=DEBUG_LOGGER=--logger=files
 EnvironmentFile=-@environment_file@
-ExecStartPre=+-/bin/chown -f -R -h root:@SSSD_USER@ @sssdconfdir@
+ExecStartPre=+-/bin/chown -f -R -H root:@SSSD_USER@ @sssdconfdir@
 ExecStartPre=+-/bin/chmod -f -R g+r @sssdconfdir@
 ExecStartPre=+-/bin/sh -c "/bin/chown -f -h @SSSD_USER@:@SSSD_USER@ @dbpath@/*.ldb"
 ExecStartPre=+-/bin/chown -f -R -h @SSSD_USER@:@SSSD_USER@ @gpocachepath@