fixes issue 341 + handle AF_NETLINK sockaddr type + SYS_SENDMSG msghdr.msg_name is OUT only
fixes issue 341
+ handle AF_NETLINK sockaddr type
+ SYS_SENDMSG msghdr.msg_name is OUT only

git-svn-id: fe3cd4388a6e5a968b09397a3d721fe124e8117a@240 5b54908e-ead4-fc18-b48a-0285e6dbc711

rnk/drmemory,rnk/drmemory,rnk/drmemory,rnk/drmemory