git: Clean up a bit for symlinked headers.

[Sascha Wildner]

commit d056b4791691895675342b2abe77a65087658bb1
Author: Sascha Wildner <saw at online.de>
Date:   Fri Jan 5 02:57:01 2018 +0100

    Clean up a bit for symlinked headers.
    
    <errno.h> as well as <poll.h> are symlinked to their <sys/...>
    counterparts, so there is no need to include both.
    
    Also fix a comment that suggests that there is a difference.

Summary of changes:
 sys/kern/subr_sbuf.c                    | 3 +--
 sys/sys/poll.h                          | 4 ----
 usr.sbin/installer/libdfui/conn_npipe.c | 1 -
 usr.sbin/installer/libdfui/conn_tcp.c   | 1 -
 usr.sbin/rpcbind/rpcbind.c              | 1 -
 5 files changed, 1 insertion(+), 9 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/d056b4791691895675342b2abe77a65087658bb1


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