Drop use of log_set_print_filename() API inside libosmocore

Let's use log_set_print_filename2() API instead, which has less ackward
behavior implications like changing the print status of category-hex.

Related: OS#5034
Change-Id: Ifc78e1dcba5baf0b41f6ccbbbd1e3f06552d73da
diff --git a/tests/logging/logging_test.c b/tests/logging/logging_test.c
index d036dc5..f873958 100644
--- a/tests/logging/logging_test.c
+++ b/tests/logging/logging_test.c
@@ -77,7 +77,7 @@
 	stderr_target = log_target_create_stderr();
 	log_add_target(stderr_target);
 	log_set_all_filter(stderr_target, 1);
-	log_set_print_filename(stderr_target, 0);
+	log_set_print_filename2(stderr_target, LOG_FILENAME_NONE);
 	log_set_print_category_hex(stderr_target, 0);
 	log_set_print_category(stderr_target, 1);
 	log_set_use_color(stderr_target, 0);