[qfcc] Unalias type before checking for pointer/reference

Before adding references, looking at just type.type was ok whether or
not the type was an alias, but checking the deref flag needs the type to
be basic and not alias.

tools/qfcc/source/type.c

@@ -1293,12 +1293,14 @@ int is_##t (const type_t *type) \
 int
 is_pointer (const type_t *type)
 {
+	type = unalias_type (type);
 	return is_ptr (type) && !type->fldptr.deref;
 }
 
 int
 is_reference (const type_t *type)
 {
+	type = unalias_type (type);
 	return is_ptr (type) && type->fldptr.deref;
 }