[MCA] Support.h - add missing implicit MathExtras.h header dependency. NFCI.

Noticed while investigating if we can remove an unnecessary MathExtras.h include from SmallVector.h

diff --git a/llvm/include/llvm/MCA/Support.h b/llvm/include/llvm/MCA/Support.h
index 1da097c..1debf37 100644 (file)
--- a/llvm/include/llvm/MCA/Support.h
+++ b/llvm/include/llvm/MCA/Support.h
@@ -18,6 +18,7 @@
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/MC/MCSchedule.h"
 #include "llvm/Support/Error.h"
+#include "llvm/Support/MathExtras.h"
 
 namespace llvm {
 namespace mca {