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

llvm-svn: 9903
diff --git a/llvm/lib/Bytecode/Writer/Writer.cpp b/llvm/lib/Bytecode/Writer/Writer.cpp
index 9381e35..9c9e1ab 100644
--- a/llvm/lib/Bytecode/Writer/Writer.cpp
+++ b/llvm/lib/Bytecode/Writer/Writer.cpp
@@ -36,6 +36,8 @@
 #include "Config/string.h"
 #include <algorithm>
 
+namespace llvm {
+
 static RegisterPass<WriteBytecodePass> X("emitbytecode", "Bytecode Writer");
 
 static Statistic<> 
@@ -304,3 +306,5 @@
 
   Out.flush();
 }
+
+} // End llvm namespace