nef.x segfaults on Cygwin

Imported from <a href="http://trac.sagemath.org/sage_trac/ticket/13960">trac #13960</a>.

Spkg diff, for review only.

Reported by: jpflori

Component: packages

CC: kcrisman,, vbraun

Report Upstream: N/A

Authors: Dmitrii Pasechnik

Dependencies: 

Work issues: 

Reviewers: Jean-Pierre Flori

Merged in: sage-5.8.beta0

Attachments: <ol><li><a href="http://trac.sagemath.org/sage_trac/attachment/ticket/13960/palp-2.1.p1.diff">palp-2.1.p1.diff: Spkg diff, for review only.</a> by jpflori at 20130211T10:44:46</li></ol>