Clean up a bit for symlinked headers.
authorSascha Wildner <saw@online.de>
Fri, 5 Jan 2018 01:57:01 +0000 (02:57 +0100)
committerSascha Wildner <saw@online.de>
Fri, 5 Jan 2018 01:57:01 +0000 (02:57 +0100)
commitd056b4791691895675342b2abe77a65087658bb1
treeb2285adbe6d449d7e854a46ee62557f229278277
parent7cf065d4ae198e442cc9ba3e685bd95716487bc1
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.
sys/kern/subr_sbuf.c
sys/sys/poll.h
usr.sbin/installer/libdfui/conn_npipe.c
usr.sbin/installer/libdfui/conn_tcp.c
usr.sbin/rpcbind/rpcbind.c