drd --trace-addr: make tracing 64-bit values on a 32-bit platform work

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@12305 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/drd/drd_load_store.h b/drd/drd_load_store.h
index 55429f3..7f2d0de 100644
--- a/drd/drd_load_store.h
+++ b/drd/drd_load_store.h
@@ -47,7 +47,8 @@
                        IRType const hWordTy);
 void DRD_(trace_mem_access)(const Addr addr, const SizeT size,
                             const BmAccessTypeT access_type,
-                            const HWord stored_value);
+                            const HWord stored_value_hi,
+                            const HWord stored_value_lo);
 VG_REGPARM(2) void DRD_(trace_load)(Addr addr, SizeT size);
 VG_REGPARM(2) void DRD_(trace_store)(Addr addr, SizeT size);
 void DRD_(clean_memory)(const Addr a1, const SizeT len);