修正include标签的bug

tests/thinkphp/library/think/include.html

@@ -1 +1,2 @@
-<input name="[name]" value="[value]">
+<input name="[name]" value="[value]">
+{include file="include2" /}

tests/thinkphp/library/think/include2.html

@@ -0,0 +1 @@
+include2

tests/thinkphp/library/think/templateTest.php

@@ -266,9 +266,11 @@ EOF;
 <nav>
 <div>
     <input name="info" value="<?php echo \$info['value']; ?>">
+include2
 
 
     <input name="<?php echo \$user['name']; ?>" value="<?php echo \$user['account']; ?>">
+include2
     <?php echo \$message; ?>{\$message}