Suffix "i.e." and "e.g." with a comma. Just another really picky man page

commit, as we want our documentation to be as consistently formatted as
possible (it's getting there :-)).

src/lib/libc/crypt/blowfish.3

@@ -1,4 +1,4 @@
-.\" $OpenBSD: blowfish.3,v 1.6 1999/09/23 04:12:00 alex Exp $
+.\" $OpenBSD: blowfish.3,v 1.7 2000/03/14 21:31:44 aaron Exp $
 .\" Copyright 1997 Niels Provos <provos@physnet.uni-hamburg.de>
 .\" All rights reserved.
 .\"
@@ -95,7 +95,7 @@ and
 .Fn Blowfish_decipher
 are used for customization of the
 .Pa Blowfish
-cipher, e.g. for the blowfish password hashing function.
+cipher, e.g., for the blowfish password hashing function.
 .Sh SEE ALSO
 .Xr passwd 1 ,
 .Xr crypt 3 ,