In C++, it's #include not #import

llvm-svn: 224352
diff --git a/lldb/source/Core/ConstString.cpp b/lldb/source/Core/ConstString.cpp
index 56da71e..37d24e0 100644
--- a/lldb/source/Core/ConstString.cpp
+++ b/lldb/source/Core/ConstString.cpp
@@ -11,7 +11,7 @@
 #include "lldb/Host/Mutex.h"
 #include "llvm/ADT/StringMap.h"
 
-#import <mutex>
+#include <mutex>
 
 using namespace lldb_private;