Fixed a "cope/paste" error in my previous commit:  DAKOTA_HAVE_MPI is TRUE if an MPI-enabled build is detected, i.e. env var MPIHOME is set and CXX=mpicxx.
Fixed a "cope/paste" error in my previous commit:  DAKOTA_HAVE_MPI is TRUE if an
MPI-enabled build is detected, i.e. env var MPIHOME is set and CXX=mpicxx.

Thanks to Eric Phipps for catching this oversight.



git-svn-id: dcef21d3ff4cbd8dced82702dcaad637bf246ecc@457 aa0779c3-6ec2-4b84-a212-a405c134cd8d

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