[styledock] Improve fix for crash with non-spatial layers

wonder-sk · wonder-sk · commit 9a28b51e9a62 · 2016-06-30T10:35:23.000+02:00
Follow up 58dbe56 (which fixes #15179)
diff --git a/src/app/qgslayerstylingwidget.cpp b/src/app/qgslayerstylingwidget.cpp
@@ -280,10 +280,10 @@ void QgsLayerStylingWidget::redo()
 
 void QgsLayerStylingWidget::updateCurrentWidgetLayer()
 {
-  mBlockAutoApply = true;
-
   if ( !mCurrentLayer )
-    return;
+    return;  // non-spatial are ignored in setLayer()
+
+  mBlockAutoApply = true;
 
   mUndoWidget->setUndoStack( mCurrentLayer->undoStackStyles() );
 
