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

llvm-svn: 9903
diff --git a/llvm/lib/Analysis/InductionVariable.cpp b/llvm/lib/Analysis/InductionVariable.cpp
index 3119d31..6e9a209 100644
--- a/llvm/lib/Analysis/InductionVariable.cpp
+++ b/llvm/lib/Analysis/InductionVariable.cpp
@@ -36,6 +36,8 @@
 #include "llvm/Assembly/Writer.h"
 #include "Support/Debug.h"
 
+namespace llvm {
+
 static bool isLoopInvariant(const Value *V, const Loop *L) {
   if (const Instruction *I = dyn_cast<Instruction>(V))
     return !L->contains(I->getParent());
@@ -299,3 +301,5 @@
   }
   o << "\n";
 }
+
+} // End llvm namespace