athena: Fix for r284268.

I think someone added a usage of athena_resources after I did the patch
and then I missed this on rebase.

BUG=None
TEST=None
TBR=oshima@chromium.org

Review URL: https://codereview.chromium.org/405753004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@284271 0039d316-1c4b-4281-b951-d872f2087c98

athena/athena.gyp

@@ -145,7 +145,7 @@
         '../skia/skia.gyp:skia',
         'athena_lib',
         'athena_test_support',
-        'resources/athena_resources.gyp:athena_resources',
+        'resources/athena_resources.gyp:athena_pak',
       ],
       'sources': [
         'test/athena_unittests.cc',