Trac 15798: fix mwrank doctest for Solaris
Trac #15798: MWrank doctest broken on Solaris

This was most likely caused by #10108:

http://build.sagemath.org/sage/builders/%20%20slow%20Skynet%20mark%20%28
SunOS%205.10-32%29%20incremental/builds/11/steps/shell_5/logs/stdio

{{{
sage -t --long src/sage/interfaces/mwrank.py
**********************************************************************
File "src/sage/interfaces/mwrank.py", line 180, in
sage.interfaces.mwrank.Mwrank_class.__init__
Failed example:
    M('0 -1 1 0 0')
Expected:
    'Curve [0,-1,1,0,0] :\tRank = 0\n\n\nRegulator = 1\n'
Got:
    'Curve [0,-1,1,0,0] :    Rank = 0\n\n\nRegulator = 1\n'
**********************************************************************
File "src/sage/interfaces/mwrank.py", line 233, in
sage.interfaces.mwrank.Mwrank_class.__call__
Failed example:
    mwrank('0 -1 1 0 0')
Expected:
    'Curve [0,-1,1,0,0] :\tBasic pair: I=16, J=-304\n...'
Got:
    'Curve [0,-1,1,0,0] :    Basic pair: I=16,
J=-304\ndisc=-76032\n2-adic index bound = 2\nBy Lemma 5.1(a), 2-adic
index = 1\n2-adic index = 1\nOne (I,J) pair\nLooking for quartics with I
= 16, J = -304\nLooking for Type 3 quartics:\nTrying positive a from 1
up to 1 (square a first...)\n(1,0,-4,4,0)    --trivial\n(1,0,2,4,1)
--trivial\nTrying positive a from 1 up to 1 (...then non-square
a)\nFinished looking for Type 3 quartics.\nMordell rank contribution
from B=im(eps) = 0\nSelmer  rank contribution from B=im(eps) = 0\nSha
rank contribution from B=im(eps) = 0\nMordell rank contribution from
A=ker(eps) = 0\nSelmer  rank contribution from A=ker(eps) = 0\nSha
rank contribution from A=ker(eps) = 0\n\nUsed full 2-descent via
multiplication-by-2 map\nRank = 0\nRank of S^2(E)  = 0\n\nProcessing
points found during 2-descent...done:\n  now regulator =
1\n\n\nRegulator = 1\n\nThe rank and full Mordell-Weil basis have been
determined unconditionally.\n (0.030118 seconds)'
**********************************************************************
}}}

URL: http://trac.sagemath.org/15798
Reported by: vbraun
Ticket author(s): John Cremona
Reviewer(s): Volker Braun