ZynAddSubFX: use new RemotePlugin::init() method

The old method of passing remote process executable and flags to
constructor is not supported anymore. Use RemotePlugin::init() instead.

plugins/zynaddsubfx/ZynAddSubFx.cpp

@@ -74,8 +74,9 @@ Plugin::Descriptor PLUGIN_EXPORT zynaddsubfx_plugin_descriptor =
 
 ZynAddSubFxRemotePlugin::ZynAddSubFxRemotePlugin() :
 	QObject(),
-	RemotePlugin( "RemoteZynAddSubFx", false )
+	RemotePlugin()
 {
+	init( "RemoteZynAddSubFx", false );
 }