Non-functional commit: track IR renaming in vex r1689.



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@6416 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/none/nl_main.c b/none/nl_main.c
index b7fe2fd..b9b4c89 100644
--- a/none/nl_main.c
+++ b/none/nl_main.c
@@ -36,8 +36,8 @@
 }
 
 static
-IRBB* nl_instrument ( VgCallbackClosure* closure,
-                      IRBB* bb,
+IRSB* nl_instrument ( VgCallbackClosure* closure,
+                      IRSB* bb,
                       VexGuestLayout* layout, 
                       VexGuestExtents* vge,
                       IRType gWordTy, IRType hWordTy )