Use one destination constructor for the unconditional branch.

llvm-svn: 13792
diff --git a/llvm/lib/Transforms/Utils/UnifyFunctionExitNodes.cpp b/llvm/lib/Transforms/Utils/UnifyFunctionExitNodes.cpp
index 064bba5..89710ed 100644
--- a/llvm/lib/Transforms/Utils/UnifyFunctionExitNodes.cpp
+++ b/llvm/lib/Transforms/Utils/UnifyFunctionExitNodes.cpp
@@ -66,7 +66,7 @@
            E = UnwindingBlocks.end(); I != E; ++I) {
       BasicBlock *BB = *I;
       BB->getInstList().pop_back();  // Remove the return insn
-      new BranchInst(UnwindBlock, 0, 0, BB);
+      new BranchInst(UnwindBlock, BB);
     }
   }