common/lockdep: do not set std::string using braces

this silences follow warning from clang:

ceph/src/common/lockdep.cc:219:12: warning: braces around scalar initializer [-Wbraced-scalar-init]
    name = { "unknown" };
           ^~~~~~~~~~~~~
1 warning generated.

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

diff --git a/src/common/lockdep.cc b/src/common/lockdep.cc
index 251a80150221a8290c9977fa3e35a5ef8a9dbf51..9b00dcd6e3a09fc52c4bc13f5ee5377d4f4cb520 100644 (file)
--- a/src/common/lockdep.cc
+++ b/src/common/lockdep.cc
@@ -216,7 +216,7 @@ void lockdep_unregister(int id)
   std::string name;
   map<int, std::string>::iterator p = lock_names.find(id);
   if (p == lock_names.end())
-    name = { "unknown" };
+    name = "unknown" ;
   else
     name = p->second;