ovs: make functions local

Several functions and datastructures could be local
Found with 'make namespacecheck'

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: Jesse Gross <jesse@nicira.com>

diff --cc net/openvswitch/datapath.c
Simple merge

diff --cc net/openvswitch/datapath.h
Simple merge

diff --cc net/openvswitch/vport.c
Simple merge

diff --cc net/openvswitch/vport.h
Simple merge