cmus/cmus — pull request #89 by alexkay (2013-12-31 21:17:34+00:00)
Title: Trim release dates to year

This makes it consistent with how dates are handled in expr.c

Most tag decoders trim the dates anyway (see e.g. fix_date() in id3.c and ffmpeg_read_comments() in ffmpeg.c). For decoders that don't (e.g. flac.c), the sorted library view looks broken when full dates are intermingled with year-only dates:

```text
2. En lintinbluitin faran... 04:46 Falkenbach 2013-11-01 Asa Metal - Folk
3. Return to Ultima Thule 03:25 Falkenbach 2013-11-01 Asa Metal - Folk
4. I svertar sunna luihtint 05:59 Falkenbach 2013-11-01 Asa Metal - Folk
1. Introduction 01:42 Fall 2009 Black Autumnal Void Metal - Black
2. Trance in Pain 07:33 Fall 2009 Black Autumnal Void Metal - Black
3. Black Autumnal Void 06:14 Fall 2009 Black Autumnal Void Metal - Black
```