Fix test and add skip section

Author: weltling

ext/pcre/tests/bug76909.phpt

@@ -1,14 +1,20 @@
 --TEST--
 Bug #76909 preg_match difference between 7.3 and < 7.3
+--SKIPIF--
+<?php
+if(!ini_get("pcre.jit")) {
+	echo "skip JIT is disabled";
+}
+?>
 --FILE--
 <?php
 
 $data = " domain.com";
 $reg0 = "/^[\x{0100}-\x{017f}]{1,63}$/iu";
-$reg0 = "/(*NO_JIT)^[\x{0100}-\x{017f}]{1,63}$/iu";
+$reg1 = "/(*NO_JIT)^[\x{0100}-\x{017f}]{1,63}$/iu";
 
 $n0 = preg_match($reg0, $data, $m0);
-$n1 = preg_match($reg0, $data, $m1);
+$n1 = preg_match($reg1, $data, $m1);
 
 var_dump($n0, $n1, count($m0), count($m1));