quota: do not assign frame->local to NULL which leads to memleak
quota: do not assign frame->local to NULL which leads to memleak

Signed-off-by: Raghavendra Bhat <raghavendrabhat@gluster.com>
Signed-off-by: Anand Avati <avati@gluster.com>

BUG: 2772 ([glusterfs-3.2.0qa12]: excessive quota local NULL errors)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2772

Kaushikbv/Gluster,Kaushikbv/Gluster,Kaushikbv/Gluster