tests/ffserver.regression.ref: Update ffserver checksums

They have changed due to 12219039Reviewed-by: "Reynaldo H. Verdejo Pinochet" <reynaldo@osg.samsung.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

tests/ffserver.regression.ref

-233020d119085ba47535d5f2faf73cc0 *ff-test_h.avi
-431b75d1f12cb039acebad61a3d39225 *ff-test_l.avi
+0c9639f09decbc54c9f091dcf1ca0e8f *ff-test_h.avi
+e28ba75853caf975e06d92955c9f7f73 *ff-test_l.avi
 a767dbdf5d1bded3450279f812f97b37 *ff-test.swf
 dc16f607e13328a832e73801cd21ec98 *ff-test_h.asf
 69337d6c8cd7ac7e626338decdbf41d3 *ff-test_l.asf