libmat2: audio: add the audio/x-flac mime type

The FLAC parser looks for the 'audio/flac' mime type, but Fedora
defines 'audio/x-flac' in /etc/mime.types for FLAC files. Add this mime
type to the audio parser.

Fixes #36.

Signed-off-by: Antoine Tenart <antoine.tenart@ack.tf>

1 files changed, 1 insertions, 1 deletions

diff --git a/libmat2/audio.py b/libmat2/audio.py
index 3a6aa79..9b73031 100644
--- a/libmat2/audio.py
+++ b/libmat2/audio.py
@@ -36,4 +36,4 @@ class OGGParser(MutagenParser):
 
 
 class FLACParser(MutagenParser):
-    mimetypes = {'audio/flac', }
+    mimetypes = {'audio/flac', 'audio/x-flac' }