[gnome-sound-recorder] audioProfile: add FLAC container profile mapping

[Bilal Elmoussaoui <bilelmoussaoui src gnome org>]

commit ce4a44602ffd62433c3983c19c28e88053459fc1
Author: Liam Kerr <liam d kerr gmail com>
Date:   Tue Mar 10 14:57:49 2020 +0000

    audioProfile: add FLAC container profile mapping
    
    This allows fileExtensionReturner() to correctly return the .flac extension rather than .undefined

 src/audioProfile.js | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/src/audioProfile.js b/src/audioProfile.js
index 3429a9b..5a278e9 100644
--- a/src/audioProfile.js
+++ b/src/audioProfile.js
@@ -31,6 +31,7 @@ const comboBoxMap = {
 };
 
 var containerProfileMap = {
+    FLAC: 'audio/x-flac',
     OGG: 'application/ogg',
     ID3: 'application/x-id3',
     MP4: 'video/quicktime,variant=(string)iso',