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

llvm-svn: 9903
diff --git a/llvm/lib/Target/Sparc/SparcRegClassInfo.cpp b/llvm/lib/Target/Sparc/SparcRegClassInfo.cpp
index d6de5f9..564e59c 100644
--- a/llvm/lib/Target/Sparc/SparcRegClassInfo.cpp
+++ b/llvm/lib/Target/Sparc/SparcRegClassInfo.cpp
@@ -17,6 +17,8 @@
 #include "../../CodeGen/RegAlloc/RegAllocCommon.h"   // FIXME!
 #include "../../CodeGen/RegAlloc/IGNode.h"           // FIXME!
 
+namespace llvm {
+
 //-----------------------------------------------------------------------------
 // Int Register Class - method for coloring a node in the interference graph.
 //
@@ -390,3 +392,5 @@
   return -1;
 
 }
+
+} // End llvm namespace