Fix small typo: s/succ/Succ/

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188415 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Utils/Local.cpp b/lib/Transforms/Utils/Local.cpp
index 4db3a72..f2fac5e 100644
--- a/lib/Transforms/Utils/Local.cpp
+++ b/lib/Transforms/Utils/Local.cpp
@@ -536,7 +536,7 @@
 }
 
 /// CanPropagatePredecessorsForPHIs - Return true if we can fold BB, an
-/// almost-empty BB ending in an unconditional branch to Succ, into succ.
+/// almost-empty BB ending in an unconditional branch to Succ, into Succ.
 ///
 /// Assumption: Succ is the single successor for BB.
 ///