use osmo_rat_type from libosmocore

Replace locally defined enum ran_type with libosmocore's new enum
osmo_rat_type, and value_string ran_type_names with osmo_rat_type_names.

The string representations change, which has cosmetic effects on the test suite
expectations.

Depends: I659687aef7a4d67ca372a39fef31dee07aed7631 (libosmocore)
Change-Id: I2c78c265dc99df581e1b00e563d6912c7ffdb36b
diff --git a/tests/msc_vlr/msc_vlr_test_reject_concurrency.c b/tests/msc_vlr/msc_vlr_test_reject_concurrency.c
index fcc8db7..66d2e39 100644
--- a/tests/msc_vlr/msc_vlr_test_reject_concurrency.c
+++ b/tests/msc_vlr/msc_vlr_test_reject_concurrency.c
@@ -315,8 +315,8 @@
 	BTW("The original CM Service Request can conclude");
 
 	/* Release connection */
-	expect_bssap_clear(RAN_GERAN_A);
-	conn_conclude_cm_service_req(g_conn, RAN_GERAN_A);
+	expect_bssap_clear(OSMO_RAT_GERAN_A);
+	conn_conclude_cm_service_req(g_conn, OSMO_RAT_GERAN_A);
 
 	btw("all requests serviced, conn has been released");
 	bss_sends_clear_complete();