patch applied (ghc-7.0/ghc): fix floating-point/FFI section: fenv is C99, not POSIX

[Ian Lynagh]

Wed Dec  1 01:21:19 PST 2010  Simon Marlow <marlowsd at gmail.com>
  * fix floating-point/FFI section: fenv is C99, not POSIX

    M ./docs/users_guide/ffi-chap.xml -1 +1

View patch online:
http://darcs.haskell.org/cgi-bin/darcsweb.cgi?r=ghc-7.0/ghc;a=darcs_commitdiff;h=20101201092119-12142-8c2074a02c9329b226c8b708007d9077058dd3e0.gz