Include the Builtins portability header in Bits.h

Summary: Because we need it for MSVC.

Reviewed By: yfeldblum

Differential Revision: D3601138

fbshipit-source-id: 4d2ba3f9c972717745289686b025d2763f9ef30d

diff --git a/folly/Bits.h b/folly/Bits.h
index e50355da8c2dd20117e553fb948ff948cbb377cd..3bf1e32954c9d48bf90f1aea30077f86ad4ce7f9 100644 (file)
--- a/folly/Bits.h
+++ b/folly/Bits.h
@@ -63,6 +63,7 @@
 #endif
 
 #include <folly/Portability.h>
+#include <folly/portability/Builtins.h>
 
 #include <folly/detail/BitsDetail.h>
 #include <folly/detail/BitIteratorDetail.h>