Bug#889101: gcc-6: Allow to not build multilib packages

[Javier Serrano Polo]

Source: gcc-6
Version: 6.4.0-12
Severity: wishlist

Please consider in the future supporting the nobiarch build profile if
multilib packages still exist. I have a patch for version 6.3.0-18.

smime.p7s
Description: S/MIME cryptographic signature