Events: fixed typo in the error message.

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 a9d8a62..b23f3b2 100644
--- a/src/event/modules/ngx_eventport_module.c
+++ b/src/event/modules/ngx_eventport_module.c
@@ -581,7 +581,7 @@
 
         default:
             ngx_log_error(NGX_LOG_ALERT, cycle->log, 0,
-                          "unexpected even_port object %d",
+                          "unexpected eventport object %d",
                           event_list[i].portev_object);
             continue;
         }