move kAlignCount out of Align enum, so it can't accidentally be passed as a parameter

git-svn-id: http://skia.googlecode.com/svn/trunk@9479 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/include/core/SkPaint.h b/include/core/SkPaint.h
index 13be355..caa2030 100644
--- a/include/core/SkPaint.h
+++ b/include/core/SkPaint.h
@@ -628,8 +628,9 @@
         kLeft_Align,
         kCenter_Align,
         kRight_Align,
-
-        kAlignCount
+    };
+    enum {
+        kAlignCount = 3
     };
 
     /** Return the paint's Align value for drawing text.