[MacRuby] #1047: Clean up warnings when installing gems

#1047: Clean up warnings when installing gems ------------------------------+--------------------------------------------- Reporter: sferik@… | Owner: lsansonetti@… Type: defect | Status: new Priority: trivial | Milestone: Component: MacRuby | Keywords: ------------------------------+--------------------------------------------- Installing new gems puts out the message: "unknown: warning: ignoring alias" -- Ticket URL: <http://www.macruby.org/trac/ticket/1047> MacRuby <http://macruby.org/>