Fix #35037. Selecting a uniqueidentifier would return unknown data type when used with freetds.

ext/mssql/php_mssql.c

@@ -856,13 +856,15 @@ static void php_mssql_get_column_content_with_type(mssql_link *mssql_ptr,int off
 			break;
 #ifdef SQLUNIQUE
 		case SQLUNIQUE: {
+#else
+		case 36: {			/* FreeTDS hack */
+#endif
 			char *data = charcol(offset);
 
 			/* uniqueidentifier is a 16-byte binary number */
 			ZVAL_STRINGL(result, data, 16, 1);
 			}
 			break;
-#endif
 		case SQLVARBINARY:
 		case SQLBINARY:
 		case SQLIMAGE: {