protocol/server: more fixes in server_link_cbk
protocol/server: more fixes in server_link_cbk

Signed-off-by: Anand V. Avati <avati@blackhole.gluster.com>
Signed-off-by: Anand V. Avati <avati@dev.gluster.com>

BUG: 76740786e52b84f1980afdea52d115c5b95d7f77@inode when op_ret is -1)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=448

Kaushikbv/Gluster,Kaushikbv/Gluster,Kaushikbv/Gluster