Add a list of job servers to a client. The format for the server list is:
SERVER[:PORT][,SERVER[:PORT]]...
Some examples are:
10.0.0.1,10.0.0.2,10.0.0.3
localhost LIBGEARMAN_BITFIELD234,jobserver2.domain.com:7003,10.0.0.3
*
PARAMETERS
[in] client Structure previously initialized with
gearman_client_create() or gearman_client_clone().