Fix for some bogus mailcap entry noted on IRC.
Fix for some bogus mailcap entry noted on IRC.

antifuchs/mcclim,onixie/mcclim,slyrus/mcclim,swflint/McCLIM,antifuchs/mcclim,swflint/McCLIM,swflint/McCLIM,slyrus/mcclim,onixie/mcclim,onixie/mcclim