Disabe test for 32-bit build

Author: dstogov

ext/opcache/tests/gh9259_001.phpt

@@ -2,6 +2,8 @@
 Bug GH-9259 001 (Setting opcache.interned_strings_buffer to a very high value leads to corruption of shm)
 --EXTENSIONS--
 opcache
+--SKIPIF--
+<?php if (PHP_INT_SIZE != 8) die("skip: 64-bit only"); ?>
 --INI--
 opcache.interned_strings_buffer=131072
 opcache.log_verbosity_level=2