Fixes for tcp_respond() comment.


git-svn-id: svn+ssh://svn.freebsd.org/base/head@271107 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
Fix debug output that has erroneously been committed with the last update.

Obtained from:	Jan Beich
MFC after:	3 days


git-svn-id: svn+ssh://svn.freebsd.org/base/head@271108 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f