Split the PHINode class out from the iOther.h file into the iPHINode.h file

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1405 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Transforms/ExprTypeConvert.cpp

@@ -9,6 +9,7 @@
 #include "TransformInternals.h"
 #include "llvm/Method.h"
 #include "llvm/iOther.h"
+#include "llvm/iPHINode.h"
 #include "llvm/iMemory.h"
 #include "llvm/ConstPoolVals.h"
 #include "llvm/Optimizations/ConstantHandling.h"