Applied Darren Dale patch about detecting libdjbfft.so
Applied Darren Dale patch about detecting libdjbfft.so

git-svn-id: 77a43f9646713b91fea7788fad5dfbf67e151ece@1826 94b884b6-d6fd-0310-90d3-974f1d3f35e1

chadnetzer/numpy-gaurdro,chadnetzer/numpy-gaurdro,efiring/numpy-work,efiring/numpy-work,efiring/numpy-work,Ademan/NumPy-GSoC,Ademan/NumPy-GSoC,Ademan/NumPy-GSoC,jasonmccampbell/numpy-refactor-sprint,jasonmccampbell/numpy-refactor-sprint,illume/numpy3k,teoliphant/numpy-refactor,teoliphant/numpy-refactor,chadnetzer/numpy-gaurdro,illume/numpy3k,teoliphant/numpy-refactor,teoliphant/numpy-refactor,efiring/numpy-work,teoliphant/numpy-refactor,chadnetzer/numpy-gaurdro,jasonmccampbell/numpy-refactor-sprint,illume/numpy3k,Ademan/NumPy-GSoC,illume/numpy3k,jasonmccampbell/numpy-refactor-sprint