Change comment in PointTest to refer to GCC bug

git-svn-id: http://skia.googlecode.com/svn/trunk@5285 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/tests/PointTest.cpp b/tests/PointTest.cpp
index 343c943..de0ae84 100644
--- a/tests/PointTest.cpp
+++ b/tests/PointTest.cpp
@@ -19,7 +19,7 @@
     SkScalar s1 = point.length();
     SkScalar s2 = SkPoint::Length(x, y);
     //The following should be exactly the same, but need not be.
-    //See http://code.google.com/p/skia/issues/detail?id=816
+    //See http://gcc.gnu.org/bugzilla/show_bug.cgi?id=323
     REPORTER_ASSERT(reporter, SkScalarNearlyEqual(s1, s2));
     REPORTER_ASSERT(reporter, SkScalarNearlyEqual(s1, expectedLength));
 }