Fix default MPD time format
Change the default value of the `time_format` setting in the mpd module
so that it matches the default value used by `TimeWrapper`.
This fixes a bug where the seconds weren't displaying correctly due to a
typo.
Before: `02:MS`
After:  `2:06`
@@ -97,7 +97,7 @@ cleartext to the server.)"),
color_map = {}
max_field_len = 25
max_len = 100
- time_format = "%M:MS"
+ time_format = "%m:%S"
truncate_fields = ("title", "album", "artist", "album_artist")
hide_inactive = False
on_leftclick = "switch_playpause"
