Merge pull request #4088 from salimane/pr_nfs_rpcbind_centos

guests/centos: Restart rpcbind and nfs while installing nfs client on centos guests

plugins/guests/redhat/cap/nfs_client.rb

@@ -5,6 +5,7 @@ module VagrantPlugins
         def self.nfs_client_install(machine)
           machine.communicate.tap do |comm|
             comm.sudo("yum -y install nfs-utils nfs-utils-lib")
+            comm.sudo("/etc/init.d/rpcbind restart; /etc/init.d/nfs restart")
           end
         end
       end