[ThinLTO] Fix another bot failure due to test mismatch

Don't try to match the exact GUID for private symbols, as the
hashed name includes the file path.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@333337 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed