Fixed potential NullReferenceException.
Fixed potential NullReferenceException.

ddpruitt/morelinq,morelinq/MoreLINQ,smzinovyev/MoreLINQ,ddpruitt/morelinq,fsateler/MoreLINQ,morelinq/MoreLINQ,Agbar/MoreLINQ,fsateler/MoreLINQ,Agbar/MoreLINQ