Fix for Chromium-side compilation complaint:

src/pathops/SkIntersectionHelper.h:10:13: error: #if with no expression



git-svn-id: http://skia.googlecode.com/svn/trunk/src@12108 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/pathops/SkIntersectionHelper.h b/pathops/SkIntersectionHelper.h
index f5eeaf8..1d7b639 100644
--- a/pathops/SkIntersectionHelper.h
+++ b/pathops/SkIntersectionHelper.h
@@ -7,7 +7,7 @@
 #include "SkOpContour.h"
 #include "SkPath.h"
 
-#if SK_DEBUG
+#ifdef SK_DEBUG
 #include "SkPathOpsPoint.h"
 #endif