Fix MSVC build

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

1 files changed, 2 insertions, 1 deletions

diff --git a/src/dist.cpp b/src/dist.cpp
index 6b95b2e..e088e5e 100644
--- a/src/dist.cpp
+++ b/src/dist.cpp
@@ -111,7 +111,8 @@ int zmq::dist_t::send_to_all (msg_t *msg_, int flags_)
 int zmq::dist_t::send_to_matching (msg_t *msg_, int flags_)
 {
     //  Is this end of a multipart message?
-    bool msg_more = msg_->flags () & (msg_t::more | msg_t::label);
+    bool msg_more =
+        msg_->flags () & (msg_t::more | msg_t::label) ? true : false;
 
     //  Push the message to matching pipes.
     distribute (msg_, flags_);