[XRay][compiler-rt] Fix missing include of <cerrno>

Futher attempt to un-break ARM and AArch64 build.

Follow-up on D25360.

llvm-svn: 290083

diff --git a/compiler-rt/lib/xray/xray_emulate_tsc.h b/compiler-rt/lib/xray/xray_emulate_tsc.h
index ece672c..dd8378c 100644 (file)
--- a/compiler-rt/lib/xray/xray_emulate_tsc.h
+++ b/compiler-rt/lib/xray/xray_emulate_tsc.h
@@ -15,6 +15,7 @@
 
 #include "sanitizer_common/sanitizer_internal_defs.h"
 #include "xray_defs.h"
+#include <cerrno>
 #include <cstdint>
 #include <time.h>