git: DragonFly_RELEASE_5_2 netgraph7: Protect so_rcv properly

[Sepherosa Ziehau]

commit 051ed00586f772a5cd492339396309c112e25c21
Author: Sepherosa Ziehau <sephe at dragonflybsd.org>
Date:   Tue May 1 19:49:59 2018 +0800

    netgraph7: Protect so_rcv properly
    
    Reported-by: 	Markus Pfeiffer <markus.pfeiffer at morphism.de>
    Tested-by:	Markus Pfeiffer <markus.pfeiffer at morphism.de>

Summary of changes:
 sys/netgraph7/socket/ng_socket.c | 6 ++++++
 1 file changed, 6 insertions(+)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/051ed00586f772a5cd492339396309c112e25c21


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