bug#22375: Automake 1.15 tests fail to build with Perl 5.22.1

[Ludovic Courtès]

l...@gnu.org (Ludovic Courtès) skribis:

> Automake 1.15 fails its tests in ‘core-updates’ due to incompatibilities
> with Perl 5.22.1.

Fixed in 89b4823.

Ludo'.