SampleProfile.cpp: Fix take #2. The issue was abuse of StringRef here.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203996 91177308-0d34-0410-b5e6-96231b3b80d8
llvm/test/Transforms/SampleProfile/syntax.ll: Suppress checking the message catalog in ENOENT. It is locale-dependent on Windows.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203997 91177308-0d34-0410-b5e6-96231b3b80d8