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

llvm-svn: 9903
diff --git a/llvm/lib/Transforms/Instrumentation/ProfilePaths/GraphAuxiliary.cpp b/llvm/lib/Transforms/Instrumentation/ProfilePaths/GraphAuxiliary.cpp
index 66b8ccd..d9dc011 100644
--- a/llvm/lib/Transforms/Instrumentation/ProfilePaths/GraphAuxiliary.cpp
+++ b/llvm/lib/Transforms/Instrumentation/ProfilePaths/GraphAuxiliary.cpp
@@ -24,6 +24,8 @@
 using std::vector;
 using std::cerr;
 
+namespace llvm {
+
 //check if 2 edges are equal (same endpoints and same weight)
 static bool edgesEqual(Edge  ed1, Edge ed2){
   return ((ed1==ed2) && ed1.getWeight()==ed2.getWeight());
@@ -673,3 +675,5 @@
   }
   cerr<<"--------------------Graph\n";
 }
+
+} // End llvm namespace