import native symbols in lib.h

lib.h gets included into the host module and the wasm module. For the
host module the attributes will be ignored.

scripts/menu.pl

@@ -433,11 +433,8 @@ my %handlers = (
     '98. Delete Archived Experiments' => sub {
 
         # Delete archived experiments
-        my @experiments = Util::find_subdirs($local_archive_dir);
-        my @selected_experiments =
-          TUI::select_from_list( "Select Archived Experiments to Delete",
-            1, @experiments );
-        die "No experiment selected" unless @selected_experiments;
+        my @selected_experiments = Util::select_experiment(1);
+
         system( 'rm', '-rf', "$local_archive_dir/$_" )
           for @selected_experiments;
     },