[lldb] Appease the MSCV compiler

Fix error C2027: use of undefined type 'llvm::MemoryBuffer'.

lldb/include/lldb/Core/DataFileCache.h

@@ -16,6 +16,8 @@
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/Support/CachePruning.h"
 #include "llvm/Support/Caching.h"
+#include "llvm/Support/MemoryBuffer.h"
+
 #include <mutex>
 
 namespace lldb_private {

lldb/source/Core/DataFileCache.cpp

@@ -15,7 +15,6 @@
 #include "lldb/Utility/LLDBLog.h"
 #include "lldb/Utility/Log.h"
 #include "llvm/Support/CachePruning.h"
-#include "llvm/Support/MemoryBuffer.h"
 
 using namespace lldb_private;