ActiveAEStream: Fix Compiler warning (thx @vdrfan)
 ActiveAE: fix flushing engine on pause after 1a01f4409bed6e2d4d6a0e3149a20ea5fff9c07a
ActiveAE: fix loop for leftover bytes after having fixed compiler warning
Merge pull request #3274 from FernetMenta/aefixes

ActiveAE: small fixes