[libvirt] libvirt-php 0.5.1 broken build on RHEL-7

[Remi Collet]

RHEL 7 have libvirt 1.2.8 which is the minimum version according to
configure check

	LIBVIRT_REQUIRED=1.2.8

libvirt-php.c: In function 'zm_startup_libvirt':
libvirt-php.c:1351:136: error:
'VIR_DOMAIN_BLOCK_JOB_SPEED_BANDWIDTH_BYTES' undeclared (first use in
this function)

REGISTER_LONG_CONSTANT("VIR_DOMAIN_BLOCK_JOB_SPEED_BANDWIDTH_BYTES",
VIR_DOMAIN_BLOCK_JOB_SPEED_BANDWIDTH_BYTES, CONST_CS | CONST_PERSISTENT);




Remi