Update checksum to match latest ASF patch

Originally committed as revision 6566 to svn://svn.ffmpeg.org/ffmpeg/trunk

tests/ffserver.regression.ref

 418d0c843a6605a7d48f285804a69df4  ff-test_h.avi
 ad4605187044d5e169f32a2ea205f937  ff-test_l.avi
 34f4f0c160efcdb37c0999680e07c41c  ff-test.swf
-1eb3fdf04c43c8b0cc59d8444c0f2af3  ff-test_h.asf
-ffa9d3708aa394fd3631c002fc6cc088  ff-test_l.asf
+fe6de6234a8bb4ace52b86763741cecd  ff-test_h.asf
+68e7c8a8ff64c4016a8d4e5ea27353f3  ff-test_l.asf
 cba8663681bf3ef89c95c09bb90204db  ff-test_h.rm
 0a14086c708a7b8f4604e705a2bb7087  ff-test_l.rm
 353a9a8fb3d5bb2334ac991b5c60f6d3  ff-test.jpg