Merge of r4785, r4795, r4811, r4812, r4816, r4822: coverity. *) Resolver: fixed possible memory leak in ngx_resolver_create(). *) Explicitly ignore returned value from unlink() in ngx_open_tempfile(). *) Explicitly ignore returned value from close() in ngx_event_core_init_conf(). *) Added three missing checks for NULL after ngx_array_push() calls. *) Crypt: fixed handling of corrupted SSHA entries in password file. *) Mark logically dead code with corresponding comment. Found by / prodded by Coverity.

--- a/src/event/ngx_event.c
+++ b/src/event/ngx_event.c
@@ -1214,7 +1214,7 @@ ngx_event_core_init_conf(ngx_cycle_t *cy
     fd = epoll_create(100);
 
     if (fd != -1) {
-        close(fd);
+        (void) close(fd);
         module = &ngx_epoll_module;
 
     } else if (ngx_errno != NGX_ENOSYS) {