It's possible for long_options[long_options_index].definition to be null
from the previous for() loop - check that it is non-null before trying
to deref it.
clang static analyzer fixit.


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@219887 91177308-0d34-0410-b5e6-96231b3b80d8
Ah, accidentally committed a patch I didn't mean to.  


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@219888 91177308-0d34-0410-b5e6-96231b3b80d8