--- libev/event.h	2007/11/09 17:07:59	1.14
+++ libev/event.h	2007/11/09 19:14:37	1.15
@@ -28,8 +28,8 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-#ifndef _EVENT_H_
-#define _EVENT_H_
+#ifndef EVENT_H__
+#define EVENT_H__
 
 #ifdef EV_H
 # include EV_H