Fix Merge Error

Author: TheForce172

qtfred/src/ui/widgets/renderwidget.cpp

@@ -228,7 +228,6 @@ void RenderWidget::mousePressEvent(QMouseEvent* event) {
 	_viewport->button_down = 1;
 
 	if (event->modifiers().testFlag(Qt::ControlModifier)) {  // add a new object
-				_viewport->on_object =
 		if (_viewport->on_object == -1) {
 			_viewport->Selection_lock = false;  // force off selection lock
 			auto spawn_prop = event->modifiers().testFlag(Qt::ShiftModifier);