libc/uClibc: add workaround patch for ICE in m68k builds

This patch/workaround is similar to the one proposed in
http://www.mail-archive.com/uclibc@uclibc.org/msg02475.html

Bug reproduced with GCC 4.6.3.

[ALL ] In file included from libc/inet/inet_ntoa.c:8:0:
[ALL ] libc/inet/addr.c: In function 'inet_ntoa_r':
[ALL ] libc/inet/addr.c:135:1: warning: visibility attribute not supported in this configuration; ignored [-Wattri
butes]
[ERROR] libc/inet/addr.c:135:1: internal compiler error: in output_move_qimode, at config/m68k/m68k.c:3160

Signed-off-by: "Esben Haabendal" <esben@haabendal.dk>
Message-Id: <87sja4d1ke.fsf@arh128.prevas.dk>
Patchwork-Id: 187181

CT_EXPERIMENTAL=y

CT_LOCAL_TARBALLS_DIR="${HOME}/src"

CT_SAVE_TARBALLS=y

CT_LOG_EXTRA=y

CT_ARCH_ARCH="i686"

CT_ARCH_x86=y

CT_TARGET_VENDOR="pc"

CT_KERNEL_mingw32=y

CT_BINUTILS_V_2_21_1a=y

CT_BINUTILS_PLUGINS=y

CT_CC_V_4_4_5=y

CT_CC_LANG_CXX=y

CT_MINGW_DIRECTX=y

CT_MINGW_OPENGL=y

CT_MINGW_PDCURSES=y

CT_MINGW_GNURX=y

CT_GMP_V_4_3_2=y

CT_MPFR_V_2_4_1=y

CT_PPL_V_0_10_2=y

CT_CLOOG_V_0_15_10=y