[VPlan] Fix comment formatting from 43842b8.

Author: fhahn

llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp

@@ -429,7 +429,8 @@ void VPlanTransforms::optimizeInductions(VPlan &Plan, ScalarEvolution &SE) {
         IV->getStartValue(), Step, TruncI ? TruncI->getType() : nullptr);
     HeaderVPBB->insert(Steps, HeaderVPBB->getFirstNonPhi());
 
-    // Update scalar users of IV to use Step instead. Use SetVector to ensure the list of users doesn't contain duplicates.
+    // Update scalar users of IV to use Step instead. Use SetVector to ensure
+    // the list of users doesn't contain duplicates.
     SetVector<VPUser *> Users(IV->user_begin(), IV->user_end());
     for (VPUser *U : Users) {
       VPRecipeBase *R = cast<VPRecipeBase>(U);