fix bug #59: edge for FMS, always use schema1(digest-key) for FMS, or connect failed.

trunk/src/rtmp/srs_protocol_handshake.hpp

@@ -43,6 +43,7 @@ namespace srs
     */
     enum srs_schema_type {
         srs_schema0 = 0, // key-digest sequence
+        // @remark, FMS requires the schema1(digest-key), or connect failed.
         srs_schema1 = 1, // digest-key sequence
         srs_schema_invalid = 2,
     };