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/Analysis/AliasAnalysis.cpp

@@ -26,7 +26,7 @@
 
 #include "llvm/Analysis/AliasAnalysis.h"
 #include "llvm/BasicBlock.h"
-#include "llvm/iMemory.h"
+#include "llvm/Instructions.h"
 #include "llvm/Target/TargetData.h"
 #include <iostream>
 using namespace llvm;