linux-phytec-fsl

net: move __skb_get_hash function declaration to flow_dissector.h

Since the definition of the function is in flow_dissector.c, it makes
sense to have the declaration in flow_dissector.h

Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>