Fix a warning.
Fix a warning.

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