(array) without (element-type) means "array of the same type as
the C type", so gchar* with (array) is interpreted as an array of
strings. Since GKeyFiles must be UTF-8 encoded anyway, just
annotate it as a string.
https://bugzilla.gnome.org/show_bug.cgi?id=658484
/**
* g_key_file_load_from_data:
* @key_file: an empty #GKeyFile struct
- * @data: (array length=length): key file loaded in memory
- * @length: the length of @data in bytes
+ * @data: key file loaded in memory
+ * @length: the length of @data in bytes (or -1 if data is nul-terminated)
* @flags: flags from #GKeyFileFlags
* @error: return location for a #GError, or %NULL
*