Fix deprecation warnings with RubyGems >= 1.6.
Fix deprecation warnings with RubyGems >= 1.6.

openSUSE/passenger,phusion/passenger,openSUSE/passenger,phusion/passenger,bf4/passenger,clemensg/passenger,clemensg/passenger,bf4/passenger,kewaunited/passenger,kewaunited/passenger,openSUSE/passenger,jawj/passenger,phusion/passenger,cgvarela/passenger,cgvarela/passenger,gravitystorm/passenger,erikogan/passenger,antek-drzewiecki/passenger,kewaunited/passenger,kewaunited/passenger,erikogan/passenger,phusion/passenger,clemensg/passenger,bf4/passenger,kewaunited/passenger,jawj/passenger,pkmiec/passenger,cgvarela/passenger,gravitystorm/passenger,pkmiec/passenger,openSUSE/passenger,cgvarela/passenger,clemensg/passenger,gravitystorm/passenger,bf4/passenger,kewaunited/passenger,erikogan/passenger,pkmiec/passenger,openSUSE/passenger,erikogan/passenger,jawj/passenger,phusion/passenger,clemensg/passenger,phusion/passenger,pkmiec/passenger,jawj/passenger,jawj/passenger,antek-drzewiecki/passenger,cgvarela/passenger,bf4/passenger,erikogan/passenger,gravitystorm/passenger,kewaunited/passenger,clemensg/passenger,erikogan/passenger,phusion/passenger,antek-drzewiecki/passenger,jawj/passenger,phusion/passenger,cgvarela/passenger,antek-drzewiecki/passenger,cgvarela/passenger,pkmiec/passenger,openSUSE/passenger,gravitystorm/passenger,bf4/passenger,cgvarela/passenger,antek-drzewiecki/passenger,antek-drzewiecki/passenger,bf4/passenger,kewaunited/passenger,pkmiec/passenger,jawj/passenger,pkmiec/passenger,gravitystorm/passenger,clemensg/passenger,antek-drzewiecki/passenger,antek-drzewiecki/passenger,clemensg/passenger