Disable symlinks: removed recursive call of ngx_file_o_path_info().

It is surplus.
diff --git a/src/core/ngx_open_file_cache.c b/src/core/ngx_open_file_cache.c
index e5773ac..4df2134 100644
--- a/src/core/ngx_open_file_cache.c
+++ b/src/core/ngx_open_file_cache.c
@@ -596,7 +596,6 @@
                       "switching to fstatat(AT_EMPTY_PATH)");
 
         use_fstat = 0;
-        return ngx_file_o_path_info(fd, fi, log);
     }
 
     if (ngx_file_at_info(fd, "", fi, AT_EMPTY_PATH) != NGX_FILE_ERROR) {