Fix NullPointerException in NamespaceBrowser
Fix NullPointerException in NamespaceBrowser

michelangelo13/ccw,laurentpetit/ccw,noncom/ccw,michelangelo13/ccw,laurentpetit/ccw,noncom/ccw,noncom/ccw,michelangelo13/ccw,laurentpetit/ccw,ccw-ide/ccw,ccw-ide/ccw,ccw-ide/ccw