Fix an impressive type-o / spell-o Duncan noticed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145181 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/MachineBlockPlacement.cpp b/lib/CodeGen/MachineBlockPlacement.cpp
index 5de120e..83c8231 100644
--- a/lib/CodeGen/MachineBlockPlacement.cpp
+++ b/lib/CodeGen/MachineBlockPlacement.cpp
@@ -587,7 +587,7 @@
   // completely remove a branch. We bail if the analysis fails or we don't find
   // an unconditional backedge. Note that this has to handle cases where the
   // original order was rotated, and the chain has un-done it. As a result,
-  // there may not (yet) be the uncondiationl branch, but we can tell whether
+  // there may not (yet) be the unconditional branch, but we can tell whether
   // one will be added when updating the terminators.
   SmallVector<MachineOperand, 4> Cond;
   MachineBasicBlock *TBB = 0, *FBB = 0;