[grilo] Do not use whitespaces in key names

[Juan A. Suarez Romero <jasuarez src gnome org>]

commit da61ca03905fd367c3b236bd8424cf24c2e5a2e8
Author: Juan A. Suarez Romero <jasuarez igalia com>
Date:   Tue May 25 16:41:55 2010 +0200

    Do not use whitespaces in key names

 src/grl-metadata-key.h |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/src/grl-metadata-key.h b/src/grl-metadata-key.h
index 131e377..48f36bb 100644
--- a/src/grl-metadata-key.h
+++ b/src/grl-metadata-key.h
@@ -119,15 +119,15 @@
 #define GRL_METADATA_KEY_BITRATE_DESC       "Media bitrate in Kbits/s"
 
 #define GRL_METADATA_KEY_PLAY_COUNT         22
-#define GRL_METADATA_KEY_PLAY_COUNT_NAME    "play count"
+#define GRL_METADATA_KEY_PLAY_COUNT_NAME    "play-count"
 #define GRL_METADATA_KEY_PLAY_COUNT_DESC    "Media play count"
 
 #define GRL_METADATA_KEY_LAST_PLAYED        23
-#define GRL_METADATA_KEY_LAST_PLAYED_NAME   "last played time"
+#define GRL_METADATA_KEY_LAST_PLAYED_NAME   "last-played-time"
 #define GRL_METADATA_KEY_LAST_PLAYED_DESC   "Last time the media was played"
 
 #define GRL_METADATA_KEY_LAST_POSITION      24
-#define GRL_METADATA_KEY_LAST_POSITION_NAME "playback interrupted time"
+#define GRL_METADATA_KEY_LAST_POSITION_NAME "playback-interrupted-time"
 #define GRL_METADATA_KEY_LAST_POSITION_DESC "Time at which playback was interrupted"
 
 #define GRL_KEYID_FORMAT "u"