update libsimulator submodule

simulation/libsimulator

@@ -1 +1 @@
-Subproject commit ad23c932ecd852f89c7d8b29dfe162e9ee073a1b
+Subproject commit ea3bffe3c53bca5e0976914ea951193ba43fbed6

simulation/setup_swarm.cpp

@@ -47,6 +47,7 @@ POSSIBILITY OF SUCH DAMAGE.
 #include "setup_swarm.hpp"
 #include "setup_transfer.hpp" // for create_torrent
 #include "utils.hpp"
+#include "simulator/queue.hpp"
 
 namespace lt = libtorrent;
 using namespace sim;