Eliminate duplicate or unneccesary #include's


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2397 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/RegAlloc/RegClass.cpp b/lib/CodeGen/RegAlloc/RegClass.cpp
index 607a4da..249b8db 100644
--- a/lib/CodeGen/RegAlloc/RegClass.cpp
+++ b/lib/CodeGen/RegAlloc/RegClass.cpp
@@ -1,5 +1,5 @@
 #include "llvm/CodeGen/RegClass.h"
-#include <iostream>
+#include "llvm/CodeGen/RegAllocCommon.h"
 using std::cerr;
 
 //----------------------------------------------------------------------------