Remove useless 'llvm::' qualifier from names like StringRef and others that are
brought into 'clang' namespace by clang/Basic/LLVM.h

llvm-svn: 172323
diff --git a/clang/lib/Analysis/ReachableCode.cpp b/clang/lib/Analysis/ReachableCode.cpp
index 9f1f4e4..7bf01bb 100644
--- a/clang/lib/Analysis/ReachableCode.cpp
+++ b/clang/lib/Analysis/ReachableCode.cpp
@@ -29,9 +29,9 @@
 class DeadCodeScan {
   llvm::BitVector Visited;
   llvm::BitVector &Reachable;
-  llvm::SmallVector<const CFGBlock *, 10> WorkList;
+  SmallVector<const CFGBlock *, 10> WorkList;
   
-  typedef llvm::SmallVector<std::pair<const CFGBlock *, const Stmt *>, 12>
+  typedef SmallVector<std::pair<const CFGBlock *, const Stmt *>, 12>
       DeferredLocsTy;
   
   DeferredLocsTy DeferredLocs;