Log during -t=bench every database access from the main thread.

git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@4498 ed5197a5-7fde-0310-b194-c3ffbd925b24

src/ssb.tests.c

@@ -638,6 +638,9 @@ void tf_ssb_test_bench(const tf_test_options_t* options)
 	uint8_t id0bin[k_id_bin_len];
 	tf_ssb_id_str_to_bin(id0bin, id0);
 
+	tf_ssb_set_main_thread(ssb0);
+	tf_ssb_set_main_thread(ssb1);
+
 	uv_idle_t idle0 = { .data = ssb0 };
 	uv_idle_init(&loop, &idle0);
 	uv_idle_start(&idle0, _ssb_test_idle);