Fix syntax error in init script

Signed-off-by: oyld <oyld0210@163.com>

contrib/init/sysvinit-redhat/docker

@@ -56,7 +56,7 @@ start() {
         prestart
         printf "Starting $prog:\t"
         echo "\n$(date)\n" >> $logfile
-        "$unshare" -m -- $exec daemon $other_args &>> $logfile &
+        "$unshare" -m -- $exec daemon $other_args >> $logfile 2>&1 &
         pid=$!
         touch $lockfile
         # wait up to 10 seconds for the pidfile to exist.  see