Squashed 'src/leveldb/' changes from 9094c7f..7924331

42dcc7e Merge upstream LevelDB 1.17.
e353fbc Release LevelDB 1.17
269fc6c Release LevelDB 1.16
REVERT: 9094c7f Temporarily revert to writing .sst files instead of .ldb

git-subtree-dir: src/leveldb
git-subtree-split: 79243314e40ac31d79c68e5658a1d6a64800d50b

db/repair.cc

@@ -242,7 +242,6 @@ class Repairer {
   }
 
   void ExtractMetaData() {
-    std::vector<TableInfo> kept;
     for (size_t i = 0; i < table_numbers_.size(); i++) {
       ScanTable(table_numbers_[i]);
     }