BUG: Fixed potential null reference exception. LUCENENET-558 #close
BUG: Fixed potential null reference exception. LUCENENET-558 #close

jeme/lucenenet,jeme/lucenenet,apache/lucenenet,apache/lucenenet,apache/lucenenet,apache/lucenenet,sisve/lucenenet,jeme/lucenenet,NightOwl888/lucenenet,sisve/lucenenet,laimis/lucenenet,NightOwl888/lucenenet,jeme/lucenenet,NightOwl888/lucenenet,NightOwl888/lucenenet,laimis/lucenenet