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/massif/ms_main.c b/massif/ms_main.c
index 5a0f132..e4c6343 100644
--- a/massif/ms_main.c
+++ b/massif/ms_main.c
@@ -1096,8 +1096,8 @@
 /*------------------------------------------------------------*/
 
 static
-IRBB* ms_instrument ( VgCallbackClosure* closure,
-                      IRBB* bb_in, 
+IRSB* ms_instrument ( VgCallbackClosure* closure,
+                      IRSB* bb_in, 
                       VexGuestLayout* layout, 
                       VexGuestExtents* vge,
                       IRType gWordTy, IRType hWordTy )