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

llvm-svn: 9903
diff --git a/llvm/lib/Target/X86/Printer.cpp b/llvm/lib/Target/X86/Printer.cpp
index 3d073f7..292a465 100644
--- a/llvm/lib/Target/X86/Printer.cpp
+++ b/llvm/lib/Target/X86/Printer.cpp
@@ -29,6 +29,8 @@
 #include "Support/StringExtras.h"
 #include "Support/CommandLine.h"
 
+namespace llvm {
+
 namespace {
   Statistic<> EmittedInsts("asm-printer", "Number of machine instrs printed");
 
@@ -960,3 +962,5 @@
   delete Mang;
   return false; // success
 }
+
+} // End llvm namespace