* Silence signed/unsigned warnings

* Make it compile with GCC 3.0.4


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1787 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/SparcV9/InstrSched/SchedPriorities.h

@@ -26,7 +26,8 @@
 #include "llvm/Target/MachineSchedInfo.h"
 #include "Support/CommandLine.h"
 #include <list>
-#include <hash_set>
+#include <ext/hash_set>
+#include <ostream>
 class Method;
 class MachineInstr;
 class SchedulingManager;