Fix logging server shutdown protocol.
Fix logging server shutdown protocol.

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