Dropped this #include by accident.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71798 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/System/Atomic.h b/include/llvm/System/Atomic.h
index 3f788074d9b94763724d67d8f02f71eba52a200b..2f95e0f7fbbd8e31075f1bc64663e53d17fe5cc8 100644 (file)
--- a/include/llvm/System/Atomic.h
+++ b/include/llvm/System/Atomic.h
@@ -18,7 +18,7 @@
 #include <stdint.h>
 
 #ifdef __APPLE__
-
+#include <libkern/OSAtomic.h>
 #elif LLVM_ON_WIN32
 #include <windows.h>
 #endif