Fix compiler warnings on OpenSolaris.
Fix compiler warnings on OpenSolaris.

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