Revert r358418: "[llvm-objdump] Simplify PrintHelpMessage() logic"

This reverts commit r358418 as it broke `test/Object/objdump-export-list`
on Darwin.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@358443 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed