Add SEED encryption algorithm.

PR: 1503
Submitted by: KISA
Reviewed by: Bodo Moeller

ssl/ssl.h

diff --git a/ssl/ssl.h b/ssl/ssl.h
index b97b35e..28b553d 100644
--- a/ssl/ssl.h
+++ b/ssl/ssl.h
@@ -275,6 +275,7 @@
 #define SSL_TXT_RC4		"RC4"
 #define SSL_TXT_RC2		"RC2"
 #define SSL_TXT_IDEA		"IDEA"
+#define SSL_TXT_SEED		"SEED"
 #define SSL_TXT_AES128		"AES128"
 #define SSL_TXT_AES256		"AES256"
 #define SSL_TXT_AES		"AES"