Merge #12859: Bugfix: Include <memory> for std::unique_ptr

a5bca13 Bugfix: Include <memory> for std::unique_ptr (Luke Dashjr)

Pull request description:

  Not sure why all these includes were missing, but it's breaking builds for some users:

  https://bugs.gentoo.org/show_bug.cgi?id=652142

  (Added to all files with a reference to `std::unique_ptr`)

Tree-SHA512: 8a2c67513ca07b9bb52c34e8a20b15e56f8af2530310d9ee9b0a69694dd05e02e7a3683f14101a2685d457672b56addec591a0bb83900a0eb8e2a43d43200509

src/dbwrapper.cpp

@@ -4,6 +4,7 @@
 
 #include <dbwrapper.h>
 
+#include <memory>
 #include <random.h>
 
 #include <leveldb/cache.h>