fix linting errors

Author: rpkoller

ui/widgets/dialog.js

@@ -438,12 +438,13 @@ $.widget( "ui.dialog", {
 			}
 		} );
 
-		var uiDialogHeadingLevel = Number.isInteger( this.options.uiDialogTitleHeadingLevel )
-			&& this.options.uiDialogTitleHeadingLevel > 0
-			&& this.options.uiDialogTitleHeadingLevel <= 6
-			? "h" + this.options.uiDialogTitleHeadingLevel : "span";
+		var uiDialogHeadingLevel = Number.isInteger( this.options.uiDialogTitleHeadingLevel ) &&
+			this.options.uiDialogTitleHeadingLevel > 0 &&
+			this.options.uiDialogTitleHeadingLevel <= 6 ?
+			"h" + this.options.uiDialogTitleHeadingLevel : "span";
 
-		uiDialogTitle = $( "<" + uiDialogHeadingLevel + ">" ).uniqueId().prependTo( this.uiDialogTitlebar );
+		uiDialogTitle = $( "<" + uiDialogHeadingLevel + ">" )
+			.uniqueId().prependTo( this.uiDialogTitlebar );
 		this._addClass( uiDialogTitle, "ui-dialog-title" );
 		this._title( uiDialogTitle );