Bump _LIBCPP_VERSION to 1002

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@164700 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/__config b/include/__config
index f6ebdc7..36eb10d 100644
--- a/include/__config
+++ b/include/__config
@@ -15,7 +15,7 @@
 #pragma GCC system_header
 #endif
 
-#define _LIBCPP_VERSION 1001
+#define _LIBCPP_VERSION 1002
 
 #define _LIBCPP_ABI_VERSION 1