Wait for dnsmasq to finish restart

Author: Boris Schrijver

systemvm/patches/debian/config/opt/cloud/bin/cs/CsDhcp.py

@@ -54,7 +54,7 @@ def process(self):
         self.cloud.commit()
 
         # We restart DNSMASQ every time the configure.py is called in order to avoid lease problems.
-        CsHelper.service("dnsmasq", "restart")
+        CsHelper.execute2("service dnsmasq restart")
 
     def configure_server(self):
         # self.conf.addeq("dhcp-hostsfile=%s" % DHCP_HOSTS)