Fix regression, constant variables now get properly rewritten

ccodegen.cpp

@@ -147,7 +147,7 @@ gen_expr(Ast_Expr *ast){
 
     CASE(CALL, Call){
       // @todo: Reach into map instead of direct lookup
-      if(node->type->kind == TYPE_STRUCT){ // @todo: Should this be type_type maybe???
+      if(is_struct(node->type) || is_array(node->type)){ // @todo: Should this be type_type maybe???
         gen("(");
         gen_simple_decl(node->type, {});
         gen(")");