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

llvm-svn: 9903
diff --git a/llvm/lib/Transforms/Instrumentation/ProfilePaths/InstLoops.cpp b/llvm/lib/Transforms/Instrumentation/ProfilePaths/InstLoops.cpp
index b5e9d8c..9d6107c 100644
--- a/llvm/lib/Transforms/Instrumentation/ProfilePaths/InstLoops.cpp
+++ b/llvm/lib/Transforms/Instrumentation/ProfilePaths/InstLoops.cpp
@@ -27,6 +27,8 @@
 #include "llvm/Function.h"
 #include "llvm/Pass.h"
 
+namespace llvm {
+
 //this is used to color vertices
 //during DFS
 
@@ -181,3 +183,5 @@
   findAndInstrumentBackEdges(F);
   return true;  // Function was modified.
 }
+
+} // End llvm namespace