Sync some prototypes with the headers

src/lib/libc/hash/mdX.3

@@ -6,7 +6,7 @@
 .\" this stuff is worth it, you can buy me a beer in return.   Poul-Henning Kamp
 .\" ----------------------------------------------------------------------------
 .\"
-.\" 	$OpenBSD: mdX.3,v 1.4 2004/05/03 17:30:14 millert Exp $
+.\" 	$OpenBSD: mdX.3,v 1.5 2004/05/03 18:10:07 millert Exp $
 .\"
 .Dd April 29, 2004
 .Dt MDX 3
@@ -28,7 +28,7 @@
 .Ft void
 .Fn MDXInit "MDX_CTX *context"
 .Ft void
-.Fn MDXUpdate "MDX_CTX *context" "const unsigned char *data" "unsigned int len"
+.Fn MDXUpdate "MDX_CTX *context" "const u_int8_t *data" "size_t len"
 .Ft void
 .Fn MDXPad "MDX_CTX *context"
 .Ft void

src/lib/libc/hash/sha1.3

@@ -1,4 +1,4 @@
-.\"	$OpenBSD: sha1.3,v 1.30 2004/05/03 17:30:15 millert Exp $
+.\"	$OpenBSD: sha1.3,v 1.31 2004/05/03 18:10:07 millert Exp $
 .\"
 .\" Copyright (c) 1997, 2004 Todd C. Miller <Todd.Miller@courtesan.com>
 .\"
@@ -37,7 +37,7 @@
 .Ft void
 .Fn SHA1Init "SHA1_CTX *context"
 .Ft void
-.Fn SHA1Update "SHA1_CTX *context" "const u_int8_t *data" "u_int len"
+.Fn SHA1Update "SHA1_CTX *context" "const u_int8_t *data" "size_t len"
 .Ft void
 .Fn SHA1Pad "SHA1_CTX *context"
 .Ft void

src/lib/libc/hash/sha2.3

@@ -1,4 +1,4 @@
-.\"	$OpenBSD: sha2.3,v 1.7 2004/05/03 17:30:15 millert Exp $
+.\"	$OpenBSD: sha2.3,v 1.8 2004/05/03 18:10:07 millert Exp $
 .\"
 .\" Copyright (c) 2003, 2004 Todd C. Miller <Todd.Miller@courtesan.com>
 .\"
@@ -51,7 +51,7 @@
 .Ft "char *"
 .Fn SHA256_FileChunk "char *filename" "char *buf" "off_t offset" "off_t length"
 .Ft "char *"
-.Fn SHA256_Data "u_int8_t *data" "u_int len" "char *buf"
+.Fn SHA256_Data "u_int8_t *data" "size_t len" "char *buf"
 .Ft void
 .Fn SHA384_Init "SHA384_CTX *context"
 .Ft void