Fix compile warning
Fix compile warning

Warning was:
[ 16%] Generating ui_BookmarkManagerDialog.h
./src/lib/BookmarkManagerDialog.ui: Warning: The name 'layoutWidget'
(QWidget) is already in use, defaulting to 'layoutWidget1'.

AndreiDuma/marble,tucnak/marble,quannt24/marble,oberluz/marble,adraghici/marble,tzapzoor/marble,rku/marble,utkuaydin/marble,rku/marble,AndreiDuma/marble,tucnak/marble,tucnak/marble,rku/marble,oberluz/marble,Earthwings/marble,adraghici/marble,Earthwings/marble,utkuaydin/marble,quannt24/marble,adraghici/marble,tzapzoor/marble,rku/marble,adraghici/marble,quannt24/marble,tzapzoor/marble,AndreiDuma/marble,quannt24/marble,oberluz/marble,probonopd/marble,Earthwings/marble,tzapzoor/marble,quannt24/marble,David-Gil/marble-dev,rku/marble,David-Gil/marble-dev,Earthwings/marble,adraghici/marble,David-Gil/marble-dev,utkuaydin/marble,AndreiDuma/marble,quannt24/marble,David-Gil/marble-dev,tzapzoor/marble,probonopd/marble,tucnak/marble,AndreiDuma/marble,tzapzoor/marble,tzapzoor/marble,AndreiDuma/marble,rku/marble,probonopd/marble,Earthwings/marble,utkuaydin/marble,probonopd/marble,probonopd/marble,adraghici/marble,probonopd/marble,utkuaydin/marble,oberluz/marble,Earthwings/marble,tucnak/marble,tucnak/marble,utkuaydin/marble,tucnak/marble,David-Gil/marble-dev,David-Gil/marble-dev,oberluz/marble,quannt24/marble,probonopd/marble,oberluz/marble,tzapzoor/marble