Use "yellow" LEDs for bool parameters

Use "yellow" LEDs (which are actually blue) for dynamically added bool
parameters so that the dialog is consistent with regards to the LED
colors. The "Link Channels" button also uses a "yellow" LED.

plugins/LadspaEffect/LadspaWidgetFactory.cpp

@@ -55,7 +55,7 @@ QWidget * LadspaWidgetFactory::createWidget(LadspaControl * ladspaControl, QWidg
 	case TOGGLED:
 	{
 		LedCheckBox * toggle = new LedCheckBox(
-			name, parent, QString(), LedCheckBox::Green, false);
+			name, parent, QString(), LedCheckBox::Yellow, false);
 		toggle->setModel(ladspaControl->toggledModel());
 		return toggle;
 	}