CLEANUP: stream-int: rename si_reset() to si_init()

si_reset() function is only used when a stream-interface is allocated. Thus
rename it to si_init() insteaad.
diff --git a/include/haproxy/stream_interface.h b/include/haproxy/stream_interface.h
index a30f345..8119a42 100644
--- a/include/haproxy/stream_interface.h
+++ b/include/haproxy/stream_interface.h
@@ -94,11 +94,10 @@
 	return ((si->flags & SI_FL_ISBACK) ? cs_strm(si->cs)->csf->si : cs_strm(si->cs)->csb->si);
 }
 
-/* initializes a stream interface in the SI_ST_INI state. It's detached from
- * any endpoint and only keeps its side which is expected to have already been
- * set.
+/* initializes a stream interface in the SI_ST_INI state and create the event
+ * tasklet.
  */
-static inline int si_reset(struct stream_interface *si)
+static inline int si_init(struct stream_interface *si)
 {
 	si->src            = NULL;
 	si->dst            = NULL;
diff --git a/src/stream_interface.c b/src/stream_interface.c
index aa3b6d8..ecbd7b0 100644
--- a/src/stream_interface.c
+++ b/src/stream_interface.c
@@ -111,7 +111,7 @@
 	if (unlikely(!si))
 		return NULL;
 	si->flags = SI_FL_NONE;
-	if (si_reset(si) < 0) {
+	if (si_init(si) < 0) {
 		pool_free(pool_head_streaminterface, si);
 		return NULL;
 	}