odp-util: Initialize tun_key and tun_key_mask

tun_key_to_attr() accesses tp_src and tp_dst which are currently
uinitialized.

Signed-off-by: Thomas Graf <tgraf@noironetworks.com>
miniflow: Remove unused value_inline branch from miniflow_move()

The branch is unused as size < sizeof dst->inline_values must
always be true for inlined values. Hitting the branch would lead
to corruption as inline_values is accessed out of bounds.

Remove branch and and add assertion.

Cc: Jarno Rajahalme <jrajahalme@nicira.com>
Signed-off-by: Thomas Graf <tgraf@noironetworks.com>
json: Fix leaked nodes in json_hash_object()

nodes is allocated through shash_sort() but never freed.

Signed-off-by: Thomas Graf <tgraf@noironetworks.com>