add missing header required for std::function

otherwise Visual Studio will have trouble compiling this file
9 years ago · 669b892f97
parent 1fc16cb2eb
commit 669b892f97
1 changed files with 1 additions and 0 deletions
--- a/include/rocksdb/utilities/backupable_db.h
+++ b/include/rocksdb/utilities/backupable_db.h
@ -18,6 +18,7 @@
 #include <string>
 #include <map>
 #include <vector>
+#include <functional>

 #include "rocksdb/utilities/stackable_db.h"