Module: correctly set the module file kind when emitting file_modified.

rdar://28503343

Differential Revision: http://reviews.llvm.org/D25806


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@284899 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed