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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15337 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Utils/BreakCriticalEdges.cpp b/lib/Transforms/Utils/BreakCriticalEdges.cpp
index 9042ac4..f6f4ad2 100644
--- a/lib/Transforms/Utils/BreakCriticalEdges.cpp
+++ b/lib/Transforms/Utils/BreakCriticalEdges.cpp
@@ -21,7 +21,6 @@
 #include "llvm/Analysis/Dominators.h"
 #include "llvm/Function.h"
 #include "llvm/Instructions.h"
-#include "llvm/iPHINode.h"
 #include "llvm/Support/CFG.h"
 #include "Support/Statistic.h"
 using namespace llvm;