fix typo

src/event/modules/ngx_eventport_module.c

diff --git a/src/event/modules/ngx_eventport_module.c b/src/event/modules/ngx_eventport_module.c
index 740cf4d..ebfd9a5 100644
--- a/src/event/modules/ngx_eventport_module.c
+++ b/src/event/modules/ngx_eventport_module.c
@@ -468,7 +468,7 @@
 
             if (revents & (POLLERR|POLLHUP|POLLNVAL)) {
                 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0,
-                              "prot_getn() error fd:%d ev:%04Xd",
+                              "port_getn() error fd:%d ev:%04Xd",
                               event_list[i].portev_object, revents);
             }