crimson/osd: avoid `-Wunused-but-set-variable` warning

in release build, `found` is not used at all. but GCC complains with a
`-Wunused-but-set-variable` warning.

Signed-off-by: Kefu Chai <kchai@redhat.com>

diff --git a/src/crimson/osd/heartbeat.cc b/src/crimson/osd/heartbeat.cc
index c36af322acd7e9bc03883caa4dc5787cfe504ba0..3a33d7f93fbc759c74213531315ad224e8ea74a5 100644 (file)
--- a/src/crimson/osd/heartbeat.cc
+++ b/src/crimson/osd/heartbeat.cc
@@ -196,8 +196,7 @@ Heartbeat::osds_t Heartbeat::get_peers() const
 
 void Heartbeat::remove_peer(osd_id_t peer)
 {
-  auto found = peers.find(peer);
-  assert(found != peers.end());
+  assert(peers.count(peer) == 1);
   peers.erase(peer);
 }