DolphinWX: Fix patch removal

Source/Core/DolphinWX/ISOProperties.cpp

@@ -1328,7 +1328,7 @@ void CISOProperties::PatchButtonClicked(wxCommandEvent& event)
 		break;
 	case ID_REMOVEPATCH:
 		onFrame.erase(onFrame.begin() + Patches->GetSelection());
-		Patches->Delete(Cheats->GetSelection());
+		Patches->Delete(Patches->GetSelection());
 		break;
 	}