Fix examples/lookup/main.cpp.

Patch to fix the main.cpp compile error submitted by Dmitry Vyukov <dvyukov@google.com>.
Also add a Makefile, plus some modification to main.cpp.


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@150990 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed