* libmisc/obscure.c, libmisc/salt.c, src/passwd.c: Match DES, MD5,

SHA256, and SHA512 exactly (not only the first 3/6 chars).
* libmisc/salt.c (SHA_salt_rounds): Set rounds to the specified
  prefered_rounds value, if specified.
* src/gpasswd.c, libmisc/salt.c: Fix compilation warnings (use
  size_t for lengths).
* src/chpasswd.c, src/chgpasswd.c: Add missing parenthesis.

src/chpasswd.c

@@ -179,7 +179,7 @@ int main (int argc, char **argv)
 		usage ();
 	}
 	if ((eflg && (md5flg || cflg)) ||
-	    md5flg && cflg) {
+	    (md5flg && cflg)) {
 		fprintf (stderr,
 			 _("%s: the -c, -e, and -m flags are exclusive\n"),
 			 Prog);