Fixed crash caused by unitialized variable

editor/plugins/node_3d_editor_plugin.cpp

@@ -3846,7 +3846,7 @@ void Node3DEditorViewport::drop_data_fw(const Point2 &p_point, const Variant &p_
 Node3DEditorViewport::Node3DEditorViewport(Node3DEditor *p_spatial_editor, EditorNode *p_editor, int p_index) {
 
 	cpu_time_history_index = 0;
-	cpu_time_history_index = 0;
+	gpu_time_history_index = 0;
 
 	_edit.mode = TRANSFORM_NONE;
 	_edit.plane = TRANSFORM_VIEW;