Fixed regression introduced in d8dfb22: completion in project-less files casues a NullPointerException.
Fixed regression introduced in d8dfb22: completion in project-less files casues a NullPointerException.

anurse/omnisharp-vim,nosami/omnisharp-vim,OmniSharp/omnisharp-vim,OmniSharp/omnisharp-vim,OmniSharp/omnisharp-vim,AndBicScadMedia/omnisharp-vim,den-mentiei/omnisharp-vim