fix logfile rotation

pveproxy and spiceproxy use the same logfile.

debian/pve.logrotate

@@ -8,6 +8,7 @@
 	create 640 www-data www-data
 	sharedscripts
 	postrotate
-		/etc/init.d/pveproxy reload > /dev/null
+		/etc/init.d/pveproxy restart > /dev/null
+		/etc/init.d/spiceproxy restart > /dev/null
 	endscript
 }