Ship new config.guess file

[Torbjörn Granlund]

Timothy wrote:

  The config.guess file ... is severely outdated (2012) ...
  
Marco wrote:

  MPFR 3.1.2 was released in the early 2013.
  I suggest you to use the last release.
  
Let's be fair: The MPFR developers should be almost forgiven for
shipping a now "severely outdated" version of this file in their
severely outdated release.  They would surely have bundled a version
from our time had they just predicted its contents.  ;-)


-- 
Torbjörn
Please encrypt, key id 0xC8601622