Bug fix: finite difference step.
Bug fix: finite difference step.

Windows compiler caught the omission of return value that's likely to blame for the Mac test failures.  I'll do one more review as tests come in.



git-svn-id: d5469d78598a82f75b3d1e6419ce8b4d1ddac974@3810 aa0779c3-6ec2-4b84-a212-a405c134cd8d

pemryan/DAKOTA,pemryan/DAKOTA,pemryan/DAKOTA,pemryan/DAKOTA,pemryan/DAKOTA,pemryan/DAKOTA,pemryan/DAKOTA