MINOR: stream-int: export stream_int_update_*

Not only these functions were not static, but we'll also want to export
them.
diff --git a/include/proto/stream_interface.h b/include/proto/stream_interface.h
index 84c3090..d1d75ba 100644
--- a/include/proto/stream_interface.h
+++ b/include/proto/stream_interface.h
@@ -49,6 +49,8 @@
 struct appctx *stream_int_register_handler(struct stream_interface *si, struct applet *app);
 void si_applet_done(struct stream_interface *si);
 void stream_int_update(struct stream_interface *si);
+void stream_int_update_conn(struct stream_interface *si);
+void stream_int_update_applet(struct stream_interface *si);
 
 /* returns the channel which receives data from this stream interface (input channel) */
 static inline struct channel *si_ic(struct stream_interface *si)
diff --git a/src/stream_interface.c b/src/stream_interface.c
index 51099b8..2de7740 100644
--- a/src/stream_interface.c
+++ b/src/stream_interface.c
@@ -43,12 +43,10 @@
 static void stream_int_shutw(struct stream_interface *si);
 static void stream_int_chk_rcv(struct stream_interface *si);
 static void stream_int_chk_snd(struct stream_interface *si);
-static void stream_int_update_conn(struct stream_interface *si);
 static void stream_int_shutr_conn(struct stream_interface *si);
 static void stream_int_shutw_conn(struct stream_interface *si);
 static void stream_int_chk_rcv_conn(struct stream_interface *si);
 static void stream_int_chk_snd_conn(struct stream_interface *si);
-static void stream_int_update_applet(struct stream_interface *si);
 static void stream_int_shutr_applet(struct stream_interface *si);
 static void stream_int_shutw_applet(struct stream_interface *si);
 static void stream_int_chk_rcv_applet(struct stream_interface *si);