MINOR: cli/stream: add the conn_stream in "show sess" output

The "show sess" output didn't report the conn_stream nor its flags,
which was a bit problematic. Now it's done.
diff --git a/src/stream.c b/src/stream.c
index 7c2a63a..941f489 100644
--- a/src/stream.c
+++ b/src/stream.c
@@ -3000,6 +3000,8 @@
 			              conn->handle.fd >= 0 ? fdtab[conn->handle.fd].cache.next >= -2 : 0,
 			              conn->handle.fd >= 0 ? !!(fdtab[conn->handle.fd].update_mask & tid_bit) : 0,
 				      conn->handle.fd >= 0 ? fdtab[conn->handle.fd].thread_mask: 0);
+
+			chunk_appendf(&trash, "      cs=%p csf=0x%08x ctx=%p\n", cs, cs->flags, cs->ctx);
 		}
 		else if ((tmpctx = objt_appctx(strm->si[0].end)) != NULL) {
 			chunk_appendf(&trash,
@@ -3035,6 +3037,8 @@
 			              conn->handle.fd >= 0 ? fdtab[conn->handle.fd].cache.next >= -2 : 0,
 			              conn->handle.fd >= 0 ? !!(fdtab[conn->handle.fd].update_mask & tid_bit) : 0,
 				      conn->handle.fd >= 0 ? fdtab[conn->handle.fd].thread_mask: 0);
+
+			chunk_appendf(&trash, "      cs=%p csf=0x%08x ctx=%p\n", cs, cs->flags, cs->ctx);
 		}
 		else if ((tmpctx = objt_appctx(strm->si[1].end)) != NULL) {
 			chunk_appendf(&trash,