Fix #includes of i*.h => Instructions.h as per PR403.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15334 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Transforms/Utils/CloneTrace.cpp

@@ -17,7 +17,7 @@
 
 #include "llvm/Analysis/Trace.h"
 #include "llvm/Transforms/Utils/Cloning.h"
-#include "llvm/iPHINode.h"
+#include "llvm/Instructions.h"
 #include "llvm/Function.h"
 #include "ValueMapper.h"
 using namespace llvm;