Events: removed unused variable in ngx_poll_process_events().

src/event/modules/ngx_poll_module.c

diff --git a/src/event/modules/ngx_poll_module.c b/src/event/modules/ngx_poll_module.c
index 441eb7e..9db6b6c 100644
--- a/src/event/modules/ngx_poll_module.c
+++ b/src/event/modules/ngx_poll_module.c
@@ -240,7 +240,6 @@
 {
     int                 ready, revents;
     ngx_err_t           err;
-    ngx_int_t           nready;
     ngx_uint_t          i, found, level;
     ngx_event_t        *ev, **queue;
     ngx_connection_t   *c;
@@ -300,8 +299,6 @@
 
     ngx_mutex_lock(ngx_posted_events_mutex);
 
-    nready = 0;
-
     for (i = 0; i < nevents && ready; i++) {
 
         revents = event_list[i].revents;
@@ -414,7 +411,7 @@
         ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, "poll ready != events");
     }
 
-    return nready;
+    return NGX_OK;
 }