Don't use bashism/kshism of test ==. From Kamil Rytarowski.

Differential Revision: http://reviews.llvm.org/D12642


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247512 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed