$NetBSD$

drop dlopen support

--- tests/meson.build.orig	2025-11-03 20:26:40.000000000 +0900
+++ tests/meson.build	2025-11-26 23:11:56.613587887 +0900
@@ -7,7 +7,6 @@ tests_dep = declare_dependency(
   ] + coverage_flags + cc_flags_relaxed_frame_limit,
   dependencies: [
     apparmor_dep,
-    dlopen_dep,
     glib_dep,
     gnutls_dep,
     json_c_dep,