Apply even more fixups

- Finish cleaning up the stdio unlocked APIs
- Make __cxa_finalize() properly thread safe
- Don't log locks if threads aren't being used
- Add some more mutex guards to places using _mmi
- Specific lock names now appear in the --ftrace logs
- Fix mkdeps.com generating invalid Makefiles sometimes
- Simplify and fix bugs in the test runner infrastructure
- Fix issue where sometimes some functions wouldn't be logged

test/libc/runtime/clone_test.c

@@ -23,6 +23,7 @@
 #include "libc/intrin/spinlock.h"
 #include "libc/log/backtrace.internal.h"
 #include "libc/mem/mem.h"
+#include "libc/nexgen32e/gettls.h"
 #include "libc/nexgen32e/nexgen32e.h"
 #include "libc/nexgen32e/threaded.h"
 #include "libc/runtime/runtime.h"