Fix a typo in a comment.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46508 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp b/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp
index 05ba46d..5d6b1a2 100644
--- a/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp
+++ b/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp
@@ -58,7 +58,6 @@
   bool isBottomUp;
   
   /// AvailableQueue - The priority queue to use for the available SUnits.
-  ///a
   SchedulingPriorityQueue *AvailableQueue;
 
   /// LiveRegs / LiveRegDefs - A set of physical registers and their definition