trivial optimizations.

Author: agentzh

src/ngx_http_lua_socket_tcp.c

@@ -2200,7 +2200,7 @@ ngx_http_lua_socket_tcp_handler(ngx_event_t *ev)
     ctx = c->log->data;
     ctx->current_request = r;
 
-    ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
+    ngx_log_debug3(NGX_LOG_DEBUG_HTTP, c->log, 0,
                    "lua tcp socket handler for \"%V?%V\", wev %d", &r->uri,
                    &r->args, (int) ev->write);
 

src/ngx_http_lua_socket_udp.c

@@ -1297,7 +1297,7 @@ ngx_http_lua_socket_udp_handler(ngx_event_t *ev)
     ctx = c->log->data;
     ctx->current_request = r;
 
-    ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
+    ngx_log_debug3(NGX_LOG_DEBUG_HTTP, c->log, 0,
                    "lua udp socket handler for \"%V?%V\", wev %d", &r->uri,
                    &r->args, (int) ev->write);