Fix: dt-api destroy() when a child row was shown resulted in a JS e…

…rror

See thread 23516 for more information

js/api/api.row.details.js

@@ -44,12 +44,12 @@ var __details_add = function ( ctx, row, data, klass )
 };
 
 
-var __details_remove = function ( api )
+var __details_remove = function ( api, idx )
 {
 	var ctx = api.context;
 
-	if ( ctx.length && api.length ) {
-		var row = ctx[0].aoData[ api[0] ];
+	if ( ctx.length ) {
+		var row = ctx[0].aoData[ idx !== undefined ? idx : api[0] ];
 
 		if ( row._details ) {
 			row._details.remove();
@@ -138,7 +138,7 @@ var __details_events = function ( settings )
 
 			for ( var i=0, ien=data.length ; i<ien ; i++ ) {
 				if ( data[i]._details ) {
-					__details_remove( data[i] );
+					__details_remove( api, i );
 				}
 			}
 		} );