Force PEAR to create conf file in apache directory.

component/apache-php/buildout.cfg

@@ -65,6 +65,7 @@ environment =
   PATH=${pkgconfig:location}/bin:${bzip2:location}/bin:${libxml2:location}/bin:%(PATH)s
   LDFLAGS =-L${bzip2:location}/lib -Wl,-rpath -Wl,${bzip2:location}/lib -L${libtool:location}/lib -Wl,-rpath -Wl,${libtool:location}/lib -L${mariadb:location}/lib -Wl,-rpath -Wl,${mariadb:location}/lib -L${zlib:location}/lib -Wl,-rpath -Wl,${zlib:location}/lib -L${libmcrypt:location}/lib -Wl,-rpath -Wl,${libmcrypt:location}/libblkid
   TMPDIR=${buildout:parts-directory}/${:_buildout_section_name_}
+  HOME=${apache:location}