Added bm_compare().

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@7872 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/exp-drd/pub_drd_bitmap.h b/exp-drd/pub_drd_bitmap.h
index d8324e0..27e7bf9 100644
--- a/exp-drd/pub_drd_bitmap.h
+++ b/exp-drd/pub_drd_bitmap.h
@@ -102,6 +102,8 @@
 Bool bm_store_8_has_conflict_with(const struct bitmap* const bm,const Addr a1);
 Bool bm_store_has_conflict_with(const struct bitmap* const bm,
                                 const Addr a1, const Addr a2);
+Bool bm_compare(struct bitmap* const lhs,
+                const struct bitmap* const rhs);
 void bm_swap(struct bitmap* const bm1, struct bitmap* const bm2);
 void bm_merge2(struct bitmap* const lhs,
                const struct bitmap* const rhs);