libglusterfsclient: Dont alloc root inode context
libglusterfsclient: Dont alloc root inode context

....because the lookup on root inode done a few lines before this
call already allocates an inode context. This one just over-writes
that context, results in invalidation of the cached iattrs.

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

BUG: 354 (Stale file handle on unfs3 booster)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=354

Kaushikbv/Gluster,Kaushikbv/Gluster,Kaushikbv/Gluster