Put all LLVM code into the llvm namespace, as per bug 109.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9903 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/PostDominators.cpp b/lib/Analysis/PostDominators.cpp
index ee31c36..2589c85 100644
--- a/lib/Analysis/PostDominators.cpp
+++ b/lib/Analysis/PostDominators.cpp
@@ -17,6 +17,8 @@
 #include "Support/DepthFirstIterator.h"
 #include "Support/SetOperations.h"
 
+namespace llvm {
+
 //===----------------------------------------------------------------------===//
 //  PostDominatorSet Implementation
 //===----------------------------------------------------------------------===//
@@ -214,3 +216,5 @@
 // stub - a dummy function to make linking work ok.
 void PostDominanceFrontier::stub() {
 }
+
+} // End llvm namespace