[rpms/perl-Crypt-OpenSSL-Bignum] PR #2: Use make_build macro

[Wes Hardaker]

hardaker merged a pull-request against the project: `perl-Crypt-OpenSSL-Bignum` that you
are following.

Merged pull-request:

``
Use make_build macro
``

https://src.fedoraproject.org/rpms/perl-Crypt-OpenSSL-Bignum/pull-request/2