Fix the missing symbols problem Bill was hitting. Patch contributed by

Bill Wendling!!

llvm-svn: 20649

llvm/lib/Analysis/DataStructure/DataStructureOpt.cpp

@@ -17,6 +17,7 @@
 #include "llvm/Analysis/Passes.h"
 #include "llvm/Module.h"
 #include "llvm/Constant.h"
+#include "llvm/Type.h"
 #include "llvm/ADT/Statistic.h"
 using namespace llvm;