minor doc clean

Author: chronolaw

lib/resty/core/socket.lua

@@ -237,7 +237,7 @@ local function sslhandshake(cosocket, reused_session, server_name, ssl_verify,
     end
 
     -- (rc == FFI_OK and reused_session ~= false) or
-    -- (rc == FFI_AGAIN and reused_session == cdata/false ) then co_yield() )
+    -- (rc == FFI_AGAIN and reused_session == cdata/false then co_yield )
 
     rc = C.ngx_http_lua_ffi_socket_tcp_get_sslhandshake_result(r, u,
             session_ptr, errmsg, openssl_error_code)