Bug#667467: back in 4.7.0-5

[Brian Paterni <bpaterni@gmail.com>]

bug may have come back to haunt us in 4.7.0-5?:

Preparing to replace gcc-4.7-base:amd64 4.7.0-4 (using .../gcc-4.7-base_4.7.0-5_amd64.deb) ...
De-configuring gcc-4.7-base:i386 ...
Unpacking replacement gcc-4.7-base:amd64 ...
Preparing to replace gcc-4.7-base:i386 4.7.0-4 (using .../gcc-4.7-base_4.7.0-5_i386.deb) ...
Unpacking replacement gcc-4.7-base:i386 ...
dpkg: error processing /var/cache/apt/archives/gcc-4.7-base_4.7.0-5_i386.deb (--unpack):
 trying to overwrite shared '/usr/share/doc/gcc-4.7-base/changelog.Debian.gz', which is different from other instances of package gcc-4.7-base:i386
Errors were encountered while processing:
 /var/cache/apt/archives/gcc-4.7-base_4.7.0-5_i386.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)