Fix memory leak on gettint the version
Fix memory leak on gettint the version

Signed-off-by: Lyre <8a3ad5e7eaa2296ba1c969ebaf630b7183f20378@skybility.com>

php/pecl-virtualization-libvirt,KnightSwarm/libvirt-php,KnightSwarm/libvirt-php,php/pecl-virtualization-libvirt,libvirt/libvirt-php,tucksaun/libvirt-php,vtolstov/libvirt-php,martijnotto/libvirt-php,vtolstov/libvirt-php,martijnotto/libvirt-php,php/pecl-virtualization-libvirt,tucksaun/libvirt-php,KnightSwarm/libvirt-php,martijnotto/libvirt-php,zippy2/libvirt-php,tucksaun/libvirt-php,libvirt/libvirt-php,libvirt/libvirt-php,vtolstov/libvirt-php,php/pecl-virtualization-libvirt,vtolstov/libvirt-php,KnightSwarm/libvirt-php,zippy2/libvirt-php,tucksaun/libvirt-php,martijnotto/libvirt-php,zippy2/libvirt-php,KnightSwarm/libvirt-php