Fix for bug #1387286, playing audio CD clips on windows

Fixes: https://launchpad.net/bugs/1387286

openlp/core/ui/media/vlcplayer.py

@@ -167,6 +167,8 @@ class VlcPlayer(MediaPlayer):
         path = os.path.normcase(file_path)
         # create the media
         if controller.media_info.media_type == MediaType.CD:
+            if is_win():
+                path = '/' + path
             display.vlc_media = display.vlc_instance.media_new_location('cdda://' + path)
             display.vlc_media_player.set_media(display.vlc_media)
             display.vlc_media_player.play()

openlp/plugins/media/forms/mediaclipselectorform.py

@@ -219,7 +219,7 @@ class MediaClipSelectorForm(QtGui.QDialog, Ui_MediaClipSelector, RegistryPropert
             return
         # VLC behaves a bit differently on windows and linux when loading, which creates problems when trying to
         # detect if we're dealing with a DVD or CD, so we use different loading approaches depending on the OS.
-        if os.name == 'nt':
+        if is_win():
             # If the given path is in the format "D:\" or "D:", prefix it with "/" to make VLC happy
             pattern = re.compile('^\w:\\\\*$')
             if pattern.match(path):