Display unpack output in Dialog

This was a difficult one. Got lost in the Semantics of QThread once
again, but just 2 days later it works :)

1 files changed, 1 insertions, 1 deletions

diff --git a/mappingtreewidget.cpp b/mappingtreewidget.cpp
index be0c5a5..26f1b53 100644
--- a/mappingtreewidget.cpp
+++ b/mappingtreewidget.cpp
@@ -329,7 +329,7 @@ void MappingEditWidget::removeMapping(){
     if(sel.isEmpty()){
         return;
     }
-    QPersistentModelIndex firstIdx = sel.first();
+    QModelIndex firstIdx = sel.first();
     if(firstIdx.isValid()){
         mResultModel->removeRows(firstIdx.row(), 1, firstIdx.parent());
     }