cast a "char **" to "const char **" to avoid a warning.

cast a "char **" to "const char **" to avoid a warning.

	* gdesktopappinfo.c (update_mimeapps_list): cast a "char **" to
	"const char **" to avoid a warning.

	* gemblem.c (g_emblem_from_tokens):
	* gemblemedicon.c (g_emblemed_icon_from_tokens):
	* xdgmime/xdgmime.c (xdg_mime_get_icon): remove unused
	variables

svn path=/trunk/; revision=7775