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_mips=y

CT_TARGET_VENDOR="malta"

CT_KERNEL_linux=y

CT_KERNEL_V_2_6_38_8=y

CT_BINUTILS_V_2_21_1a=y

CT_CC_V_4_4_6=y

# CT_CC_GCC_USE_GRAPHITE is not set

CT_LIBC_EGLIBC_V_2_13=y

CT_DEBUG_gdb=y

# CT_GDB_GDBSERVER_STATIC is not set

CT_GDB_V_7_2a=y

CT_GMP_V_5_0_1=y

CT_MPFR_V_3_0_0=y

CT_TEST_SUITE_GCC=y