userland: Fix several typos and minor errors

- duplicate words
- typos
- references to old versions of FreeBSD

Reviewed by:	imp, benno

1 files changed, 1 insertions, 1 deletions

diff --git a/bin/pax/buf_subs.c b/bin/pax/buf_subs.c
index c9a466407997..153b599193d8 100644
--- a/bin/pax/buf_subs.c
+++ b/bin/pax/buf_subs.c
@@ -485,7 +485,7 @@ wr_rdbuf(char *out, int outcnt)
 	int cnt;
 
 	/*
-	 * while there is data to copy copy into the write buffer. when the
+	 * while there is data to copy into the write buffer. when the
 	 * write buffer fills, flush it to the archive and continue
 	 */
 	while (outcnt > 0) {