[Bug target/107998] [13 Regression] gcc-13-20221204 failure to build on Cygwin No dirname for option: m32

[mckelvey at maskull dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107998

--- Comment #5 from James McKelvey <mckelvey at maskull dot com> ---
This works:

$ diff gcc/config/i386/t-cygwin-w64~ gcc/config/i386/t-cygwin-w64
2c2
< MULTILIB_DIRNAMES = 64
---
> MULTILIB_DIRNAMES = 64 32