Small adjustment to PlatformDarwinKernel::ExamineKextForMatchingUUID to
help performance -- if the FileSpec we're examining does not contain the
UUID we're looking for, don't bother examining the file any further.


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@181063 91177308-0d34-0410-b5e6-96231b3b80d8