osl::Mutex->std::mutex in DragSourceHelper

Change-Id: I886300dc65542f5e716fa970a9804c6084419515
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/119727
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

1 files changed, 2 insertions, 3 deletions

diff --git a/vcl/source/treelist/transfer2.cxx b/vcl/source/treelist/transfer2.cxx
index bc654bbb7975..fb7877e60ff1 100644
--- a/vcl/source/treelist/transfer2.cxx
+++ b/vcl/source/treelist/transfer2.cxx
@@ -83,9 +83,8 @@ void DragSourceHelper::dispose()
 {
     Reference<XDragGestureRecognizer> xTmp;
     {
-        osl::MutexGuard aGuard( maMutex );
-        xTmp = mxDragGestureRecognizer;
-        mxDragGestureRecognizer.clear();
+        std::lock_guard aGuard( maMutex );
+        xTmp = std::move(mxDragGestureRecognizer);
     }
     if( xTmp.is()  )
         xTmp->removeDragGestureListener( mxDragGestureListener );