Fixed: compile on 4.4.5 failed

src/http/ngx_http_upstream_check_module.c

@@ -2818,6 +2818,7 @@ ngx_http_upstream_check_init_shm_zone(ngx_shm_zone_t *shm_zone, void *data)
 
     opeers_shm = NULL;
     peers_shm = NULL;
+    oshm_name.len = 0;
 
     same = 0;
     peers = check_peers_ctx;

src/os/unix/ngx_syslog.c

@@ -156,6 +156,7 @@ ngx_log_set_syslog(ngx_pool_t *pool, ngx_str_t *value, ngx_log_t *log)
     ident.len = 0;
     ident.data = NULL;
     state = sw_facility;
+    ngx_memset(&addr, 0, sizeof(addr));
 
     /**
      * format example: