Collect effects errors to show on summary window

plugins/LadspaEffect/LadspaEffect.cpp

@@ -39,6 +39,7 @@
 #include "ControllerConnection.h"
 #include "MemoryManager.h"
 #include "ValueBuffer.h"
+#include "MainWindow.h"
 
 #include "embed.cpp"
 
@@ -74,12 +75,11 @@ LadspaEffect::LadspaEffect( Model * _parent,
 	Ladspa2LMMS * manager = Engine::getLADSPAManager();
 	if( manager->getDescription( m_key ) == NULL )
 	{
-		if( !Engine::suppressMessages() )
+		if ( Engine::hasGUI() )
 		{
-			QMessageBox::warning( 0, tr( "Effect" ), 
-				tr( "Unknown LADSPA plugin %1 requested." ).
-							arg( m_key.second ),
-				QMessageBox::Ok, QMessageBox::NoButton );
+			Engine::mainWindow()->collectError(
+				tr( "Unknown LADSPA plugin %1 requested." ).arg(
+					m_key.second ) );
 		}
 		setOkay( false );
 		return;