Move SkClampRange into src/effects, where it isn't being advertised as
something for end-users.

http://codereview.appspot.com/5864044/



git-svn-id: http://skia.googlecode.com/svn/trunk@3445 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gyp/tests.gyp b/gyp/tests.gyp
index 1eecc39..2492274 100644
--- a/gyp/tests.gyp
+++ b/gyp/tests.gyp
@@ -9,6 +9,7 @@
       'type': 'executable',
       'include_dirs' : [
         '../src/core',
+        '../src/effects',
         '../src/gpu',
       ],
       'sources': [