Fix Apache 2 module compilation
Fix Apache 2 module compilation

It was broken by 98b1f23feb2.

cgvarela/passenger,antek-drzewiecki/passenger,clemensg/passenger,kewaunited/passenger,phusion/passenger,antek-drzewiecki/passenger,antek-drzewiecki/passenger,cgvarela/passenger,antek-drzewiecki/passenger,phusion/passenger,clemensg/passenger,kewaunited/passenger,cgvarela/passenger,antek-drzewiecki/passenger,cgvarela/passenger,antek-drzewiecki/passenger,kewaunited/passenger,clemensg/passenger,clemensg/passenger,clemensg/passenger,phusion/passenger,clemensg/passenger,cgvarela/passenger,antek-drzewiecki/passenger,phusion/passenger,cgvarela/passenger,phusion/passenger,cgvarela/passenger,phusion/passenger,clemensg/passenger,kewaunited/passenger,phusion/passenger,kewaunited/passenger,phusion/passenger,kewaunited/passenger,clemensg/passenger,antek-drzewiecki/passenger,cgvarela/passenger,kewaunited/passenger,kewaunited/passenger