BFI: Mark the end of namespaces

llvm-svn: 212861
diff --git a/llvm/lib/Analysis/BlockFrequencyInfoImpl.cpp b/llvm/lib/Analysis/BlockFrequencyInfoImpl.cpp
index 4fd2c11..39d7f52 100644
--- a/llvm/lib/Analysis/BlockFrequencyInfoImpl.cpp
+++ b/llvm/lib/Analysis/BlockFrequencyInfoImpl.cpp
@@ -87,7 +87,8 @@
 
   BlockMass takeMass(uint32_t Weight);
 };
-}
+
+} // end namespace
 
 DitheringDistributer::DitheringDistributer(Distribution &Dist,
                                            const BlockMass &Mass) {