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

# mingw32 config options

## depends on EXPERIMENTAL && ( ARCH_x86 && ARCH_32 )

##

## select MINGW32

##

## help Build a toolchain targeting systems running Windows as host

choice

    bool

    prompt "Windows api version"

# Don't remove next line

# CT_INSERT_VERSION_BELOW

config W32API_V_3_14

    bool

    prompt "3.14"

config W32API_V_select

    bool

    prompt "Other version"

endchoice

config W32API_VERSION

    string

    prompt "W32 api version" if W32API_V_select

# Don't remove next line

# CT_INSERT_VERSION_STRING_BELOW

    default "3.14" if W32API_V_3_14

    help

      Enter the version number of the windows api files to use