glsl: make use of glsl_type::is_record()

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
Reviewed-by: Edward O'Callaghan <funfunctor@folklore1984.net>

src/compiler/glsl/hir_field_selection.cpp

@@ -46,8 +46,7 @@ _mesa_ast_field_selection_to_hir(const ast_expression *expr,
    YYLTYPE loc = expr->get_location();
    if (op->type->is_error()) {
       /* silently propagate the error */
-   } else if (op->type->base_type == GLSL_TYPE_STRUCT
-              || op->type->is_interface()) {
+   } else if (op->type->is_record() || op->type->is_interface()) {
       result = new(ctx) ir_dereference_record(op,
 					      expr->primary_expression.identifier);