Fixes warning

Author: hediet

src/vs/workbench/contrib/preferences/browser/settingsLayout.ts

@@ -71,6 +71,11 @@ export const tocData: ITOCEntry<string> = {
 					label: localize('diffEditor', "Diff Editor"),
 					settings: ['diffEditor.*']
 				},
+				{
+					id: 'editor/multiDiffEditor',
+					label: localize('multiDiffEditor', "Multi-File Diff Editor"),
+					settings: ['multiDiffEditor.*']
+				},
 				{
 					id: 'editor/minimap',
 					label: localize('minimap', "Minimap"),