X-Git-Url: http://bilbo.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/29b2e4ac1cf7f206e82da4d1a2e100428ea4c4a0..eb680c004b00a59218e7cdaa77fc2c96066c3548:/include/simgrid/forward.h

diff --git a/include/simgrid/forward.h b/include/simgrid/forward.h
index ff408d4765..ec54ec4158 100644
--- a/include/simgrid/forward.h
+++ b/include/simgrid/forward.h
@@ -131,6 +131,7 @@ using ActorCodeFactory = std::function<ActorCode(std::vector<std::string> args)>
 
 class Simcall;
 class SimcallObserver;
+class MutexObserver;
 class ObjectAccessSimcallObserver;
 class ObjectAccessSimcallItem;
 } // namespace actor