Fix compilation failure when BFD is not installed.

Fix a compile failiure when BFD is not installed.
Make test results execution-order independent (fiber
id depends on how many fibers were created so far).

core/tarantool.m

@@ -408,7 +408,9 @@ main(int argc, char **argv)
 	stat_init();
 	palloc_init();
 
+#ifdef HAVE_BFD
 	load_symbols(argv[0]);
+#endif
 
 	argv = init_set_proc_title(argc, argv);
 	main_argc = argc;

test/box/lua.test

@@ -148,10 +148,11 @@ exec admin "lua box.fiber.sleep(0.0001)"
 exec admin "lua box.fiber.sleep('hello')"
 exec admin "lua box.fiber.sleep(box, 0.001)"
 exec admin "lua f = box.fiber.self()"
+exec admin "lua old_id = f:id()"
 exec admin "lua box.fiber.cancel(f)"
-exec admin "lua f:id(), box.fiber.self():id()"
+exec admin "lua box.fiber.self():id() == old_id + 2"
 exec admin "lua box.fiber.cancel(box.fiber.self())"
-exec admin "lua f:id(), box.fiber.self():id()"
+exec admin "lua box.fiber.self():id() == old_id + 3"
 exec admin "lua g = box.fiber.self()"
 exec admin "lua f==g"
 exec admin "lua function r() f = box.fiber.create(r) return (box.fiber.resume(f)) end"