fix typos gabor noticed


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60754 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/MemoryDependenceAnalysis.cpp b/lib/Analysis/MemoryDependenceAnalysis.cpp
index 5a7c7b7..30d5450 100644
--- a/lib/Analysis/MemoryDependenceAnalysis.cpp
+++ b/lib/Analysis/MemoryDependenceAnalysis.cpp
@@ -608,7 +608,7 @@
   unsigned NumSortedEntries = Cache->size();
   
   // SkipFirstBlock - If this is the very first block that we're processing, we
-  // don't want to skip or thing about its body, because the client was supposed
+  // don't want to scan or think about its body, because the client was supposed
   // to do a local dependence query.  Instead, just start processing it by
   // adding its predecessors to the worklist and iterating.
   bool SkipFirstBlock = Visited.empty();