Added command-line option --first-race-only.

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@9728 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/drd/drd_load_store.h b/drd/drd_load_store.h
index fcd7cc8..974defc 100644
--- a/drd/drd_load_store.h
+++ b/drd/drd_load_store.h
@@ -38,6 +38,8 @@
 
 Bool DRD_(get_check_stack_accesses)(void);
 void DRD_(set_check_stack_accesses)(const Bool c);
+Bool DRD_(get_first_race_only)(void);
+void DRD_(set_first_race_only)(const Bool fro);
 IRSB* DRD_(instrument)(VgCallbackClosure* const closure,
                        IRSB* const bb_in,
                        VexGuestLayout* const layout,