[template-glib] expr: add missing TMPL_EXPR_ARGS cleanup

[Christian Hergert <chergert src gnome org>]

commit 696cfbd8718bb533a3b484ce527d6c4161060598
Author: Christian Hergert <chergert redhat com>
Date:   Wed May 4 13:03:45 2022 -0700

    expr: add missing TMPL_EXPR_ARGS cleanup
    
    This was lost when we renamed the old STMT_LIST to ARGS.

 src/tmpl-expr.c | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/src/tmpl-expr.c b/src/tmpl-expr.c
index 010e30e..65099ea 100644
--- a/src/tmpl-expr.c
+++ b/src/tmpl-expr.c
@@ -83,6 +83,7 @@ tmpl_expr_destroy (TmplExpr *self)
     case TMPL_EXPR_AND:
     case TMPL_EXPR_OR:
     case TMPL_EXPR_INVERT_BOOLEAN:
+    case TMPL_EXPR_ARGS:
       g_clear_pointer (&self->simple.left, tmpl_expr_unref);
       g_clear_pointer (&self->simple.right, tmpl_expr_unref);
       break;