add test for the shebang thing

sapi/cli/tests/021.phpt

@@ -0,0 +1,39 @@
+--TEST--
+CLI shell shebang
+--SKIPIF--
+<?php 
+include 'skipif.inc';
+if (substr(PHP_OS, 0, 3) == 'WIN') {
+	die ("skip not for Windows");
+}
+?>
+--FILE--
+<?php
+
+$php = getenv('TEST_PHP_EXECUTABLE');
+
+$filename = __DIR__.'/021.tmp.php';
+
+$script = "#!$php\n".
+          "ola\n".
+          "<?php echo 1+1,'\n';\n".
+          "?>\n".
+          "adeus\n";
+
+file_put_contents($filename, $script);
+chmod($filename, 0777);
+
+echo `$filename`;
+
+echo "\nDone\n";
+?>
+--CLEAN--
+<?php
+unlink(__DIR__.'/021.tmp.php');
+?>
+--EXPECTF--
+ola
+2
+adeus
+
+Done