Remove tabs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160475 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/MachineCSE.cpp b/lib/CodeGen/MachineCSE.cpp
index b931517..9cfe9ab 100644
--- a/lib/CodeGen/MachineCSE.cpp
+++ b/lib/CodeGen/MachineCSE.cpp
@@ -100,7 +100,7 @@
     void ExitScope(MachineBasicBlock *MBB);
     bool ProcessBlock(MachineBasicBlock *MBB);
     void ExitScopeIfDone(MachineDomTreeNode *Node,
-			 DenseMap<MachineDomTreeNode*, unsigned> &OpenChildren);
+                         DenseMap<MachineDomTreeNode*, unsigned> &OpenChildren);
     bool PerformCSE(MachineDomTreeNode *Node);
   };
 } // end anonymous namespace