#include RegClass.h explicitly

llvm-svn: 5307
diff --git a/llvm/lib/CodeGen/RegAlloc/PhyRegAlloc.cpp b/llvm/lib/CodeGen/RegAlloc/PhyRegAlloc.cpp
index 2290dc4..724dbc7 100644
--- a/llvm/lib/CodeGen/RegAlloc/PhyRegAlloc.cpp
+++ b/llvm/lib/CodeGen/RegAlloc/PhyRegAlloc.cpp
@@ -5,8 +5,9 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/CodeGen/RegisterAllocation.h"
-#include "llvm/CodeGen/RegAllocCommon.h"
+#include "RegAllocCommon.h"
 #include "llvm/CodeGen/IGNode.h"
+#include "llvm/CodeGen/RegClass.h"
 #include "llvm/CodeGen/PhyRegAlloc.h"
 #include "llvm/CodeGen/MachineInstrBuilder.h"
 #include "llvm/CodeGen/MachineInstrAnnot.h"