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

lib/Support/ValueHolder.cpp

@@ -18,6 +18,10 @@
 #include "llvm/Support/ValueHolder.h"
 #include "llvm/Type.h"
 
+namespace llvm {
+
 ValueHolder::ValueHolder(Value *V) : User(Type::TypeTy, Value::TypeVal) {
   Operands.push_back(Use(V, this));
 }
+
+} // End llvm namespace