Merge pull request #2019 from cg2121/rename-mixer

UI: Rename Mixer to Audio Mixer

UI/data/locale/en-US.ini

@@ -28,7 +28,7 @@ Settings="Settings"
 Display="Display"
 Name="Name"
 Exit="Exit"
-Mixer="Mixer"
+Mixer="Audio Mixer"
 Browse="Browse"
 Mono="Mono"
 Stereo="Stereo"