Eliminate duplicate or unneccesary #include's

llvm-svn: 2397
diff --git a/llvm/lib/Target/Sparc/SparcRegClassInfo.cpp b/llvm/lib/Target/Sparc/SparcRegClassInfo.cpp
index b25dd01..6f645b1 100644
--- a/llvm/lib/Target/Sparc/SparcRegClassInfo.cpp
+++ b/llvm/lib/Target/Sparc/SparcRegClassInfo.cpp
@@ -1,5 +1,5 @@
 #include "SparcRegClassInfo.h"
-#include "llvm/CodeGen/IGNode.h"
+#include "llvm/CodeGen/RegAllocCommon.h"
 #include "llvm/Target/Sparc.h"
 #include "llvm/Type.h"
 #include <iostream>