[6.5] Fix File Upload fatal (#25361)#25394

Merged

spalger merged 1 commit intoelastic:6.5from spalger:backport/6.5/pr-25361

Nov 8, 2018

+9-4

Commits on Nov 8, 2018

Fix File Upload fatal (elastic#25361 )

clintandrewhall
authored and
spalger
committed