nginx-1.9.11 -- "Floating point exception" on exec after upgrading 1.9.10 -> 1.9.11

[jimssupp at rushpost.com]

It's brotli.

Removing

--add-module=/usr/local/src/ngx_brotli

from 1.9.11 config, rebuilding, it's fixed.  Runs ok.

brotli's OK atm with 1.9.10, but not with 1.9.11