Merge pull request #5073 from BaronGreenback/ffmpeg

Fix for 4933: Alternative ffmpeg fix

(cherry picked from commit e5f99762e2)
Signed-off-by: Joshua M. Boniface <joshua@boniface.me>

MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs

@@ -209,6 +209,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
 
                     _ffmpegPath = path;
                     EncoderLocation = location;
+                    return true;
                 }
                 else
                 {