Turn unwind_to into "unwinds to".

llvm-svn: 48123
diff --git a/llvm/lib/Transforms/Utils/CloneFunction.cpp b/llvm/lib/Transforms/Utils/CloneFunction.cpp
index 5d0d1d8..976dda45 100644
--- a/llvm/lib/Transforms/Utils/CloneFunction.cpp
+++ b/llvm/lib/Transforms/Utils/CloneFunction.cpp
@@ -105,7 +105,7 @@
   //
   for (Function::iterator BB = cast<BasicBlock>(ValueMap[OldFunc->begin()]),
          BE = NewFunc->end(); BB != BE; ++BB) {
-    // Fix up the unwind_to label.
+    // Fix up the unwind destination.
     if (BasicBlock *UnwindDest = BB->getUnwindDest())
       BB->setUnwindDest(cast<BasicBlock>(ValueMap[UnwindDest]));