Fix compile with 4.4 (I hope?); PR4617.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77015 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/MSIL/MSILWriter.h b/lib/Target/MSIL/MSILWriter.h
index 6c52a17..09cfb21 100644
--- a/lib/Target/MSIL/MSILWriter.h
+++ b/lib/Target/MSIL/MSILWriter.h
@@ -35,7 +35,7 @@
   extern Target TheMSILTarget;
 }
 
-namespace {
+namespace MSIL {
 
   class MSILModule : public ModulePass {
     Module *ModulePtr;