Kernel: More PID/TID typing

Author: https://github.com/BenWiederhake
Commit: bee08a4b9f
Pull-request: https://github.com/SerenityOS/serenity/pull/3057
Reviewed-by: https://github.com/alimpfard
Reviewed-by: https://github.com/awesomekling
Reviewed-by: https://github.com/bgianfo

Kernel/Syscalls/execve.cpp

@@ -282,7 +282,7 @@ int Process::do_exec(NonnullRefPtr<FileDescription> main_program_description, Ve
     m_master_tls_size = master_tls_size;
     m_master_tls_alignment = master_tls_alignment;
 
-    // FIXME: PID/TID BUG
+    // FIXME: PID/TID ISSUE
     m_pid = new_main_thread->tid().value();
     new_main_thread->make_thread_specific_region({});
     new_main_thread->reset_fpu_state();