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

llvm-svn: 1405
diff --git a/llvm/lib/Bytecode/Reader/ReaderInternals.h b/llvm/lib/Bytecode/Reader/ReaderInternals.h
index fb34169..b3977f6 100644
--- a/llvm/lib/Bytecode/Reader/ReaderInternals.h
+++ b/llvm/lib/Bytecode/Reader/ReaderInternals.h
@@ -11,6 +11,7 @@
 #include "llvm/SymTabValue.h"
 #include "llvm/Method.h"
 #include "llvm/Instruction.h"
+#include "llvm/DerivedTypes.h"
 #include <map>
 #include <utility>
 #include <list>