[Bug 41169] New: Muting a tab in firefox has no effect

https://bugs.winehq.org/show_bug.cgi?id=41169

Bug ID: 41169
           Summary: Muting a tab in firefox has no effect
           Product: Wine
           Version: 1.9.16
          Hardware: x86
                OS: Linux
            Status: NEW
          Keywords: download, source
          Severity: normal
          Priority: P2
         Component: -unknown
          Assignee: [e-mail]
          Reporter: [e-mail]
      Distribution: ---

Created attachment 55398
  --> https://bugs.winehq.org/attachment.cgi?id=55398
terminal output

Running win32 firefox (47.0) under wine-1.9.16-277-g60f8b51, when I open
http://rainymood.com, I hear rain sounds (good). If I click the volume/sound
icon, however, it gets a slash through it, but the sound does not mute.

Native firefox/under windows does not exhibit this issue.