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(+)

# x86_64 specific options

config ARCH_x86_64

    select ARCH_64

    select ARCH_SUPPORT_ARCH

    select ARCH_SUPPORT_CPU

    select ARCH_SUPPORT_TUNE

    help

      The x86_64 architecture, as defined by:

        http://www.amd.com/us-en/Processors/DevelopWithAMD/0,,30_2252_875_7044,00.html