fix the previous commit

src/http/ngx_http_core_module.c

diff --git a/src/http/ngx_http_core_module.c b/src/http/ngx_http_core_module.c
index 3b4e5d2..997ed3a 100644
--- a/src/http/ngx_http_core_module.c
+++ b/src/http/ngx_http_core_module.c
@@ -1222,7 +1222,7 @@
 
         tf++;
 
-        ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
+        ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
                        "try to use %s: \"%s\" \"%s\"",
                        test_dir ? "dir" : "file", name, path.data);