[Midnightbsd-cvs] src: tcp_output.c: soreceive() will send an ACK right away if data was

[laffer1 at midnightbsd.org]

Log Message:
-----------
soreceive() will send an ACK right away if data was drained from a TCP socket that advertized a 0 sized window.  However, the receive window had to be exactly zero.  Change the code to check the raw window value instead.

Modified Files:
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    src/sys/netinet:
        tcp_output.c (r1.6 -> r1.7)
        (http://cvsweb.midnightbsd.org/src/sys/netinet/tcp_output.c?r1=1.6&r2=1.7)