Add a missed glog header.

Summary: Instructions.h depends on glog/logging.h because of DCHECK_GT macros.

Reviewed By: ot

Differential Revision: D3009084

fb-gh-sync-id: 05012e635a8c623ca1e653cc41a460778942c39e
shipit-source-id: 05012e635a8c623ca1e653cc41a460778942c39e

folly/experimental/Instructions.h

@@ -17,6 +17,8 @@
 #ifndef FOLLY_EXPERIMENTAL_INSTRUCTIONS_H
 #define FOLLY_EXPERIMENTAL_INSTRUCTIONS_H
 
+#include <glog/logging.h>
+
 #include <folly/CpuId.h>
 
 namespace folly { namespace compression { namespace instructions {