[Bug bootstrap/29557] multilib zlib build broken. wrong path to prev-gcc

[chrisgiorgi at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=29557

Chris Giorgi <chrisgiorgi at gmail dot com> changed:

           What    |Removed                     |Added
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                 CC|                            |chrisgiorgi at gmail dot com

--- Comment #3 from Chris Giorgi <chrisgiorgi at gmail dot com> ---
I'm seeing a regression with the exact symptoms in GCC-7.3.1 when attempting to
build with internal zlib on x86_64 when it attempts to build the 32 bit
library.