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

llvm-svn: 9903
diff --git a/llvm/lib/Target/Sparc/SparcV9CodeEmitter.h b/llvm/lib/Target/Sparc/SparcV9CodeEmitter.h
index 7e19c44..d21345e 100644
--- a/llvm/lib/Target/Sparc/SparcV9CodeEmitter.h
+++ b/llvm/lib/Target/Sparc/SparcV9CodeEmitter.h
@@ -19,6 +19,8 @@
 #include "llvm/CodeGen/MachineFunctionPass.h"
 #include "llvm/Target/TargetMachine.h"
 
+namespace llvm {
+
 class GlobalValue;
 class MachineInstr;
 class MachineOperand;
@@ -81,4 +83,6 @@
 
 };
 
+} // End llvm namespace
+
 #endif