Add #includes now that MachineInstr.h doesn't include llvm/Target/MachineInstrInfo.h

llvm-svn: 4327
diff --git a/llvm/lib/CodeGen/InstrSched/SchedGraph.cpp b/llvm/lib/CodeGen/InstrSched/SchedGraph.cpp
index cc3e5b5..4bcdf47 100644
--- a/llvm/lib/CodeGen/InstrSched/SchedGraph.cpp
+++ b/llvm/lib/CodeGen/InstrSched/SchedGraph.cpp
@@ -12,6 +12,7 @@
 #include "llvm/CodeGen/MachineBasicBlock.h"
 #include "llvm/Target/MachineRegInfo.h"
 #include "llvm/Target/TargetMachine.h"
+#include "llvm/Target/MachineInstrInfo.h"
 #include "llvm/Function.h"
 #include "llvm/iOther.h"
 #include "Support/StringExtras.h"