[glib] Small documentation clarification

[Matthias Clasen <matthiasc src gnome org>]

commit f969f1fc25248d4f53c78568481205b21ef1446b
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Nov 23 10:49:00 2013 -0500

    Small documentation clarification
    
    https://bugzilla.gnome.org/show_bug.cgi?id=671557

 glib/gkeyfile.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/glib/gkeyfile.c b/glib/gkeyfile.c
index ff5c5eb..639dd64 100644
--- a/glib/gkeyfile.c
+++ b/glib/gkeyfile.c
@@ -859,7 +859,7 @@ g_key_file_load_from_file (GKeyFile       *key_file,
  * g_key_file_load_from_data:
  * @key_file: an empty #GKeyFile struct
  * @data: key file loaded in memory
- * @length: the length of @data in bytes (or -1 if data is nul-terminated)
+ * @length: the length of @data in bytes (or (gsize)-1 if data is nul-terminated)
  * @flags: flags from #GKeyFileFlags
  * @error: return location for a #GError, or %NULL
  *