Misc minor fixes

- avoid "multi-line comment" warning in ssl_client2.c
- rm useless initialisation of mfl_code in ssl_init()
- const-correctness of ssl_parse_*_ext()
- a code formating issue
diff --git a/library/ssl_srv.c b/library/ssl_srv.c
index abcc867..3e18386 100644
--- a/library/ssl_srv.c
+++ b/library/ssl_srv.c
@@ -992,7 +992,8 @@
 {
     unsigned char *p = buf;
 
-    if( ssl->session_negotiate->mfl_code == SSL_MAX_FRAG_LEN_NONE ) {
+    if( ssl->session_negotiate->mfl_code == SSL_MAX_FRAG_LEN_NONE )
+    {
         *olen = 0;
         return;
     }