Allow AES to compile, when OpenSSL is not present.

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@220586 65c4cc65-6c06-0410-ace0-fbb531ad65f3

include/asterisk/aes.h

@@ -49,6 +49,7 @@ typedef AES_KEY ast_aes_decrypt_key;
 
 /* Use the included AES implementation */
 
+#define AES_128
 #include "aes_internal.h"
 
 typedef aes_encrypt_ctx ast_aes_encrypt_key;