dwarfdump: Match the --uuid output with that of Darwin dwarfdump.
This option is widely used by scripts and there is no reason to break them.

rdar://problem/36032398

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@321901 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed