[libvirt] [php-libvirt] minimal libvirt requirement

Hi,

From configure: LIBVIRT_REQUIRED=0.6.2

But build fails with < 0.9 Tested with 0.8.8 and 0.8.2 (RHEL-5) libvirt-php.c:1080: error: 'VIR_NODE_CPU_STATS_ALL_CPUS' undeclared (first use in this function) Thanks Remi.