Remove useless use of strnlen(3).

Yuckiness pointed out by deraadt@.

diff --git a/usr.bin/mandoc/mdoc_validate.c b/usr.bin/mandoc/mdoc_validate.c
index b744882..2ad5c5f 100644 (file)
--- a/usr.bin/mandoc/mdoc_validate.c
+++ b/usr.bin/mandoc/mdoc_validate.c
@@ -1,4 +1,4 @@
-/*     $Id: mdoc_validate.c,v 1.119 2014/01/07 09:10:58 schwarze Exp $ */
+/*     $Id: mdoc_validate.c,v 1.120 2014/01/11 22:16:03 schwarze Exp $ */
 /*
  * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2010-2014 Ingo Schwarze <schwarze@openbsd.org>
@@ -1890,7 +1890,7 @@ post_hyph(POST_ARGS)
                if (MDOC_TEXT != nch->type)
                        continue;
                cp = nch->string;
-               if (3 > strnlen(cp, 3))
+               if ('\0' == *cp)
                        continue;
                while ('\0' != *(++cp))
                        if ('-' == *cp &&