test: fix build without timer library

The action for timer_secondary_spawn_wait should be enabled only when
CONFIG_RTE_LIBRTE_TIMER is enabled.

Fixes: 50247fe03f ("test/timer: exercise new APIs in secondary process")
Cc: stable@dpdk.org

Signed-off-by: Timothy Redaelli <tredaelli@redhat.com>

app/test/test.c

@@ -67,7 +67,9 @@ do_recursive_call(void)
 			{ "test_memory_flags", no_action },
 			{ "test_file_prefix", no_action },
 			{ "test_no_huge_flag", no_action },
+#ifdef RTE_LIBRTE_TIMER
 			{ "timer_secondary_spawn_wait", test_timer_secondary },
+#endif
 	};
 
 	if (recursive_call == NULL)