Fix [-Wundef] warning in XML extension

diff --git a/ext/xml/xml.c b/ext/xml/xml.c
index 802f9a0caa228f0296f3ded2056e9a66dd59e4f7..19d7238c46d61a72bf0f906e21d464c49158a943 100644 (file)
--- a/ext/xml/xml.c
+++ b/ext/xml/xml.c
@@ -28,7 +28,7 @@
 #include "ext/standard/html.h"
 #include "zend_interfaces.h"
 
-#if HAVE_XML
+#ifdef HAVE_XML
 
 #include "php_xml.h"
 # include "ext/standard/head.h"