Change my patch to TargetList::CreateTarget to only try
realpathing the executable binary if we fail to find a
binary and if it starts with a ~ character, based on feedback
from Greg Clayton.


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@179904 91177308-0d34-0410-b5e6-96231b3b80d8