CLI : Fix memory free for key_fixed.
CLI : Fix memory free for key_fixed.

Signed-off-by: Gaurav <gaurav@gluster.com>
Signed-off-by: Vijay Bellur <vijay@dev.gluster.com>

BUG: 2554 (Invalid memory access in glusterd.)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2554

Kaushikbv/Gluster,Kaushikbv/Gluster,Kaushikbv/Gluster