rgw/logrotate.conf: Rename service name

The service name for ceph rados gateway was changed to "ceph-radosgw",
the previous version of service name "radosgw" would cause a failed reload,
and finally make it impossible to write any log data to the log file.

Signed-off-by: wuxingyi <wuxingyi2015@outlook.com>

src/rgw/logrotate.conf

@@ -7,7 +7,7 @@
         if which invoke-rc.d > /dev/null 2>&1 && [ -x `which invoke-rc.d` ]; then
             invoke-rc.d radosgw reload >/dev/null
         elif which service > /dev/null 2>&1 && [ -x `which service` ]; then
-            service radosgw reload >/dev/null
+            service ceph-radosgw reload >/dev/null
         fi
         # Possibly reload twice, but depending on ceph.conf the reload above may be a no-op
         if which initctl > /dev/null 2>&1 && [ -x `which initctl` ]; then