Relax definitions.test to accept windows file paths.

Reviewers: ilya-biryukov

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D39797

git-svn-id: https://llvm.org/svn/llvm-project/clang-tools-extra/trunk@317692 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed