[grilo] core: add a setter and getter of GrlKeyID for GValues

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

commit fc3aaef7b1b5d44b78aef18d06fad5abc022b7a4
Author: Guillaume Emont <guijemont igalia com>
Date:   Wed Dec 14 18:16:19 2011 +0100

    core: add a setter and getter of GrlKeyID for GValues

 src/grl-metadata-key.h |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/src/grl-metadata-key.h b/src/grl-metadata-key.h
index fcda65c..8890bd0 100644
--- a/src/grl-metadata-key.h
+++ b/src/grl-metadata-key.h
@@ -43,6 +43,10 @@
 
 typedef guint32 GrlKeyID;
 
+#define g_value_get_grl_key_id(value) ((GrlKeyID) g_value_get_uint(value))
+#define g_value_set_grl_key_id(value,key) g_value_set_uint(value,(guint)key)
+
+
 #define GRL_METADATA_KEY_ALBUM                1
 #define GRL_METADATA_KEY_ARTIST               2
 #define GRL_METADATA_KEY_AUTHOR               3