[mono] Fix debug logging in apps created using AppleAppBuilder (#54901)

diff --git a/src/tasks/AppleAppBuilder/Templates/runtime.m b/src/tasks/AppleAppBuilder/Templates/runtime.m
index e0eb0a7..fa906e8 100644 (file)
--- a/src/tasks/AppleAppBuilder/Templates/runtime.m
+++ b/src/tasks/AppleAppBuilder/Templates/runtime.m
@@ -194,7 +194,7 @@ unhandled_exception_handler (MonoObject *exc, void *user_data)
 void
 log_callback (const char *log_domain, const char *log_level, const char *message, mono_bool fatal, void *user_data)
 {
-    os_log_info (OS_LOG_DEFAULT, "(%s %s) %s", log_domain, log_level, message);
+    os_log_info (OS_LOG_DEFAULT, "(%{public}s %{public}s) %{public}s", log_domain, log_level, message);
     if (fatal) {
         os_log_info (OS_LOG_DEFAULT, "Exit code: %d.", 1);
         exit (1);