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/Target/X86/X86InstrInfo.h

@@ -17,6 +17,8 @@
 #include "llvm/Target/TargetInstrInfo.h"
 #include "X86RegisterInfo.h"
 
+namespace llvm {
+
 /// X86II - This namespace holds all of the target specific flags that
 /// instruction info tracks.
 ///
@@ -181,4 +183,6 @@ public:
   }
 };
 
+} // End llvm namespace
+
 #endif