vhost: fix memory leak
vhost: fix memory leak

Fix potential memory leak raised by Coverity.

    >>>     Variable "vsocket" going out of scope leaks the storage it
    >>>     points to.

Coverity issue: 127483
Fixes: e623e0c6d8a5 ("vhost: add reconnect ability")

Reported-by: John McNamara <af31595c36a4239b9676e9b3a777d3e2f15a6c4d@intel.com>
Signed-off-by: Yuanhan Liu <5dcef21195e64c9c08aa779bb62b25e9133eaa33@linux.intel.com>

john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk