Pull iterators out of CFG.h and CFGdecls and put them in Support directory


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@664 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/InstrSched/SchedPriorities.h b/lib/CodeGen/InstrSched/SchedPriorities.h
index 909f4ed..81a2e6a 100644
--- a/lib/CodeGen/InstrSched/SchedPriorities.h
+++ b/lib/CodeGen/InstrSched/SchedPriorities.h
@@ -25,6 +25,7 @@
 #include "llvm/CodeGen/InstrScheduling.h"
 #include "llvm/Analysis/LiveVar/MethodLiveVarInfo.h"
 #include "llvm/Target/MachineSchedInfo.h"
+#include <list>
 
 class Method;
 class MachineInstr;