Return Long integer on size only if necessary. 
Return Long integer on size only if necessary. 

git-svn-id: 89d05d7b87d257b19585950f76a9d6e29854e44c@1067 94b884b6-d6fd-0310-90d3-974f1d3f35e1

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