MINOR: stream-int: Remove SI_FL_DONT_WAKE to rely on CS flags instead

Flag to not wake the stream up on I/O is now handled at the conn-stream
level. Thus SI_FL_DONT_WAKE stream-int flag is replaced by CS_FL_DONT_WAKE
conn-stream flags.
diff --git a/src/cli.c b/src/cli.c
index 4d0e293..f55999e 100644
--- a/src/cli.c
+++ b/src/cli.c
@@ -2768,7 +2768,8 @@
 
 		cs_si(s->csb)->state = cs_si(s->csb)->prev_state = SI_ST_INI;
 		cs_si(s->csb)->err_type = SI_ET_NONE;
-		cs_si(s->csb)->flags &= SI_FL_ISBACK | SI_FL_DONT_WAKE; /* we're in the context of process_stream */
+		cs_si(s->csb)->flags &= SI_FL_ISBACK; /* we're in the context of process_stream */
+		s->csb->flags &= CS_FL_ISBACK | CS_FL_DONT_WAKE; /* we're in the context of process_stream */
 		s->req.flags &= ~(CF_SHUTW|CF_SHUTW_NOW|CF_AUTO_CONNECT|CF_WRITE_ERROR|CF_STREAMER|CF_STREAMER_FAST|CF_NEVER_WAIT|CF_WROTE_DATA);
 		s->res.flags &= ~(CF_SHUTR|CF_SHUTR_NOW|CF_READ_ATTACHED|CF_READ_ERROR|CF_READ_NOEXP|CF_STREAMER|CF_STREAMER_FAST|CF_WRITE_PARTIAL|CF_NEVER_WAIT|CF_WROTE_DATA|CF_READ_NULL);
 		s->flags &= ~(SF_DIRECT|SF_ASSIGNED|SF_ADDR_SET|SF_BE_ASSIGNED|SF_FORCE_PRST|SF_IGNORE_PRST);