Update the patchset for MPFR 2.4.1 from upstream.

-------- diffstat follows --------
/trunk/patches/mpfr/2.4.1/120-cast-to-void-ptr.patch | 25 25 0 0 ++++++++++++
/trunk/patches/mpfr/2.4.1/130-vasprintf-mp_limb_t.patch | 45 45 0 0 ++++++++++++++++++++++
/trunk/patches/mpfr/2.4.1/140-zeta_ui-shift.patch | 47 47 0 0 +++++++++++++++++++++++
3 files changed, 117 insertions(+)

 # powerpc specific configuration file

 # depends on EXPERIMENTAL

 config ARCH_powerpc64

     select ARCH_64

     select ARCH_SUPPORT_ABI

     select ARCH_SUPPORT_CPU

     select ARCH_SUPPORT_TUNE

     help

       The PowerPC architecture, as defined by:

         http://www.ibm.com/developerworks/eserver/articles/archguide.html