switch output state only if enable/disable output command succeeded

src/outputs.cpp

@@ -70,17 +70,21 @@ void Outputs::EnterPressed()
 	if (w->Current().second)
 	{
 		if (Mpd->DisableOutput(w->Choice()))
+		{
 			ShowMessage("Output \"%s\" disabled", w->Current().first.c_str());
 			w->Current().second = 0;
 			w->BoldOption(w->Choice(), 0);
 		}
+	}
 	else
 	{
 		if (Mpd->EnableOutput(w->Choice()))
+		{
 			ShowMessage("Output \"%s\" enabled", w->Current().first.c_str());
 			w->Current().second = 1;
 			w->BoldOption(w->Choice(), 1);
 		}
+	}
 	
 }