changes to make it compatible with 64bit gcc

llvm-svn: 2791
diff --git a/llvm/lib/Target/Sparc/SparcRegClassInfo.cpp b/llvm/lib/Target/Sparc/SparcRegClassInfo.cpp
index da40826..08e3324 100644
--- a/llvm/lib/Target/Sparc/SparcRegClassInfo.cpp
+++ b/llvm/lib/Target/Sparc/SparcRegClassInfo.cpp
@@ -4,6 +4,7 @@
 #include "llvm/Type.h"
 #include <iostream>
 using std::cerr;
+using std::vector;
 
 //-----------------------------------------------------------------------------
 // Int Register Class - method for coloring a node in the interference graph.