lokdocview: log dragging the graphic selection

Not too important for now, but in case later we want to show some kind
of preview, then this will be the place to do it.

Change-Id: I531761178491f606834b4b359281122be4c8bca9

libreofficekit/source/gtk/lokdocview.c

@@ -104,10 +104,15 @@ gboolean lcl_signalMotion(GtkWidget* pEventBox, GdkEventButton* pEvent, LOKDocVi
     {
         if (pDocView->m_bInDragGraphicHandles[i])
         {
-            g_info("lcl_signalButton: dragging the graphic handle #%d", i);
+            g_info("lcl_signalMotion: dragging the graphic handle #%d", i);
             return FALSE;
         }
     }
+    if (pDocView->m_bInDragGraphicSelection)
+    {
+        g_info("lcl_signalMotion: dragging the graphic selection");
+        return FALSE;
+    }
     return FALSE;
 }