修正对无拓展的tlsv1协议clienthello的解析时认为格式非法的问题。

platform/src/ssl_utils.cpp

@@ -2318,20 +2318,14 @@ struct ssl_chello* ssl_chello_parse(const unsigned char* buff, size_t buff_len,
 		}
     	len = (size_t)buff[pos];
     	pos += 1 + len;
-		/* ssl 3.0, no extensions */
+
-		if(_chello->min_version.major == 3 && _chello->min_version.minor == 0)
+    	/* No extension */
-		{
+        if(pos == buff_len)
-			if(pos == buff_len)
+        {
-			{
+            *result = CHELLO_PARSE_SUCCESS;
-				*result = CHELLO_PARSE_SUCCESS;
+            return _chello;
-				return _chello;
+        }
-			}
+
-			else
-			{
-				*result = CHELLO_PARSE_INVALID_FORMAT;
-				return _chello;
-			}
-		}
 		/* Extensions */
     	if (pos + 2 > buff_len)
 		{