Don't short-circuit aliased values

Not sure why I thought it was a good idea as it turns out this is why
cast pointer initializers were being lost.

tools/qfcc/source/expr.c

@@ -1050,8 +1050,6 @@ new_alias_expr (type_t *type, expr_t *expr)
 {
 	expr_t     *alias;
 
-	if (expr->type == ex_value)
-		return new_value_expr (alias_value (expr->e.value, type));
 	alias = new_unary_expr ('A', expr);
 	alias->e.expr.type = type;
 	//if (expr->type == ex_uexpr && expr->e.expr.op == 'A')