manual page nit

Reference: /n/sources/patch/maybe/aesmannit
Date: Sat Dec  1 18:46:26 CET 2012
Signed-off-by: quanstro@quanstro.net

--- /sys/man/2/aes	Sat Dec  1 18:46:21 2012
+++ /sys/man/2/aes	Sat Dec  1 18:46:19 2012
@@ -1,6 +1,6 @@
 .TH AES 2
 .SH NAME
-setupAESstate, aesCBCencrypt, aesCBCdecrypt, aesCTRencrypt, aesCTRdecrypt, setupAESXCBCstate, aesXCBCmac - advanced encryption standard (rijndael)
+aes_encrypt, aes_decrypt, setupAESstate, aesCBCencrypt, aesCBCdecrypt, aesCTRencrypt, aesCTRdecrypt, setupAESXCBCstate, aesXCBCmac - advanced encryption standard (rijndael)
 .SH SYNOPSIS
 .B #include <u.h>
 .br