neigh_cache: fix: properly convert from nanoseconds to microseconds

Change-Id: I38dc7c04b1fd0e3a17af4c8caef991916f25f2b9
diff --git a/src/neigh_cache.c b/src/neigh_cache.c
index 2f82fee..28e27e6 100644
--- a/src/neigh_cache.c
+++ b/src/neigh_cache.c
@@ -69,7 +69,7 @@
 	} else {
 		timespecsub(&threshold, &now, &result);
 	}
-	osmo_timer_schedule(&cache->cleanup_timer, result.tv_sec, result.tv_nsec*1000);
+	osmo_timer_schedule(&cache->cleanup_timer, result.tv_sec, result.tv_nsec / 1000);
 }
 
 struct neigh_cache *neigh_cache_alloc(void *ctx, unsigned int keep_time_sec)
@@ -203,7 +203,7 @@
 	} else {
 		timespecsub(&threshold, &now, &result);
 	}
-	osmo_timer_schedule(&cache->cleanup_timer, result.tv_sec, result.tv_nsec*1000);
+	osmo_timer_schedule(&cache->cleanup_timer, result.tv_sec, result.tv_nsec / 1000);
 }
 
 struct si_cache *si_cache_alloc(void *ctx, unsigned int keep_time_sec)