Fix an issue with unnecessary capture in lambda expressions

Summary:
Closes https://github.com/facebook/rocksdb/issues/3900
Replaces https://github.com/facebook/rocksdb/pull/3901

I needed this to build v5.12.4 on Mac OS X (10.13.3).
Closes https://github.com/facebook/rocksdb/pull/3904

Differential Revision: D8169357

Pulled By: sagar0

fbshipit-source-id: 85faac42168796e7def9250d0c221a9a03b84476

diff --git a/java/rocksjni/transaction_db.cc b/java/rocksjni/transaction_db.cc
index 6bb8024202bc3d503ac761f0fbb84e6a6a4bf727..be18beb86cb5f690c1243c7af95eccdf7719047b 100644 (file)
--- a/java/rocksjni/transaction_db.cc
+++ b/java/rocksjni/transaction_db.cc
@@ -304,11 +304,14 @@ jobject Java_org_rocksdb_TransactionDB_getLockStatusData(
       return nullptr;
   }
 
-  const rocksdb::HashMapJni::FnMapKV<const int32_t, const rocksdb::KeyLockInfo> fn_map_kv =
-      [env, txn_db, &lock_status_data](const std::pair<const int32_t, const rocksdb::KeyLockInfo>& pair) {
-          const jobject jlong_column_family_id =
-              rocksdb::LongJni::valueOf(env, pair.first);
-          if (jlong_column_family_id == nullptr) {
+  const rocksdb::HashMapJni::FnMapKV<const int32_t, const rocksdb::KeyLockInfo>
+      fn_map_kv =
+          [env](
+              const std::pair<const int32_t, const rocksdb::KeyLockInfo>&
+                  pair) {
+            const jobject jlong_column_family_id =
+                rocksdb::LongJni::valueOf(env, pair.first);
+            if (jlong_column_family_id == nullptr) {
               // an error occurred
               return std::unique_ptr<std::pair<jobject, jobject>>(nullptr);
           }