fix bad use of g_strconcat()
diff --git a/src/plugin_xmms/http.c b/src/plugin_xmms/http.c
index a725bdb..ad6475a 100644
--- a/src/plugin_xmms/http.c
+++ b/src/plugin_xmms/http.c
@@ -484,7 +484,7 @@
 						       flac_cfg.stream.use_udp_channel ? udpspace : "");
 				if (offset && !head) {
 					gchar *temp_dead = temp;
-					temp = g_strconcat ("%sRange: %ll-\r\n", temp, offset);
+					temp = g_strdup_printf ("%sRange: %llu-\r\n", temp, offset);
 					fprintf (stderr, "%s", temp);
 					g_free (temp_dead);
 				}