Few trivial fixes to REQ/REP pattern.

- couple of comments adjusted
- empty 'stack delimiter' message correctly closed
- non-reachable function xrep_t::rollback() removed

Signed-off-by: Martin Sustrik <sustrik@250bpm.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/xreq.cpp b/src/xreq.cpp
index dd57aba..1c6af9d 100644
--- a/src/xreq.cpp
+++ b/src/xreq.cpp
@@ -68,7 +68,7 @@ int xs::xreq_t::xrecv (msg_t *msg_, int flags_)
         return 0;
     }
 
-    //  XREQ socket doesn't use identities. We can safely drop it and 
+    //  XREQ socket doesn't use identities. We can safely drop them.
     while (true) {
         int rc = fq.recv (msg_, flags_);
         if (rc != 0)