client: use C++11 initializers

src/client/Client.hxx

@@ -64,11 +64,11 @@ public:
 	const unsigned int num;	/* client number */
 
 	/** is this client waiting for an "idle" response? */
-	bool idle_waiting;
+	bool idle_waiting = false;
 
 	/** idle flags pending on this client, to be sent as soon as
 	    the client enters "idle" */
-	unsigned idle_flags;
+	unsigned idle_flags = 0;
 
 	/** idle flags that the client wants to receive */
 	unsigned idle_subscriptions;
@@ -87,7 +87,7 @@ public:
 	 * The number of subscriptions in #subscriptions.  Used to
 	 * limit the number of subscriptions.
 	 */
-	unsigned num_subscriptions;
+	unsigned num_subscriptions = 0;
 
 	/**
 	 * A list of messages this client has received.

src/client/ClientNew.cxx

@@ -49,9 +49,7 @@ Client::Client(EventLoop &_loop, Partition &_partition,
 	 partition(&_partition),
 	 permission(getDefaultPermissions()),
 	 uid(_uid),
-	 num(_num),
-	 idle_waiting(false), idle_flags(0),
-	 num_subscriptions(0)
+	 num(_num)
 {
 	TimeoutMonitor::Schedule(client_timeout);
 }