sudoers_cleanup: run the garbage collector at the end

plugins/sudoers/policy.c

@@ -1119,7 +1119,7 @@ sudoers_policy_close(int exit_status, int error_code)
     /* Free sudoers sources, sudo_user and passwd/group caches. */
     sudoers_cleanup();
 
-    /* command_info is freed by the g/c code. */
+    /* command_info was freed by the g/c code. */
     command_info = NULL;
 
     /* Free error message passed back to front-end, if any. */

plugins/sudoers/sudoers.c

@@ -1872,6 +1872,9 @@ sudoers_cleanup(void)
     sudo_freegrcache();
     canon_path_free_cache();
 
+    /* Run garbage collector. */
+    sudoers_gc_run();
+
     /* Clear globals */
     list_pw = NULL;
     saved_argv = NULL;