Fix passenger-memory-stats on Solaris.
Fix passenger-memory-stats on Solaris.

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