msg/simple: fix warning

msg/simple/Pipe.cc: In member function 'void Pipe::writer()':
msg/simple/Pipe.cc:1721:26: warning: suggest braces around empty body in an 'if' statement [-Wempty-body]
  if(::write(sd, &tag, 1));
                          ^

Signed-off-by: Sage Weil <sage@redhat.com>

diff --git a/src/msg/simple/Pipe.cc b/src/msg/simple/Pipe.cc
index 89c8b8f24cd2ef669b39a03b522f040a16a6e7a6..7fb166f1f5bd4f4f3d9baa88088ac2c11c93704d 100644 (file)
--- a/src/msg/simple/Pipe.cc
+++ b/src/msg/simple/Pipe.cc
@@ -1718,7 +1718,8 @@ void Pipe::writer()
       pipe_lock.Unlock();
       if (sd) {
        // we can ignore return value, actually; we don't care if this succeeds.
-       if(::write(sd, &tag, 1));
+       int r = ::write(sd, &tag, 1);
+       (void)r;
       }
       pipe_lock.Lock();
       continue;