add gsm_timers, for Tnnn definitions usable by FSMs

Change-Id: If212fcd042051b6fa53484254223614c5b93a9c6
diff --git a/tests/bsc/Makefile.am b/tests/bsc/Makefile.am
index 6ffeed2..ce973be 100644
--- a/tests/bsc/Makefile.am
+++ b/tests/bsc/Makefile.am
@@ -43,6 +43,7 @@
 	$(top_builddir)/src/osmo-bsc/gsm_04_08_rr.o \
 	$(top_builddir)/src/osmo-bsc/gsm_04_80_utils.o \
 	$(top_builddir)/src/osmo-bsc/gsm_data.o \
+	$(top_builddir)/src/osmo-bsc/gsm_timers.o \
 	$(top_builddir)/src/osmo-bsc/handover_cfg.o \
 	$(top_builddir)/src/osmo-bsc/handover_logic.o \
 	$(top_builddir)/src/osmo-bsc/neighbor_ident.o \