test/osd: Change const copy in loop to const reference

Signed-off-by: Adam C. Emerson <aemerson@redhat.com>

diff --git a/src/test/osd/TestOSDMap.cc b/src/test/osd/TestOSDMap.cc
index d9cc7f3f962743248d51f1ee2461923604d9f7ea..ff9eb57cf4862a1a658c6c341a17dc566888613a 100644 (file)
--- a/src/test/osd/TestOSDMap.cc
+++ b/src/test/osd/TestOSDMap.cc
@@ -1925,7 +1925,7 @@ TEST_F(OSDMapTest, BUG_48884)
   JSONParser parser;
   parser.parse(ss.str().c_str(), static_cast<int>(ss.str().size()));
   auto iter = parser.find_first();
-  for (const auto bucket : (*iter)->get_array_elements()) {
+  for (const auto& bucket : (*iter)->get_array_elements()) {
     JSONParser parser2;
     parser2.parse(bucket.c_str(), static_cast<int>(bucket.size()));
     auto* obj = parser2.find_obj("name");