[Ohrrpgce] SVN: teeemcee/11529 Improved file locking debug messages (which are all commented out)

[subversion at HamsterRepublic.com]

teeemcee
2019-12-30 21:59:28 -0800 (Mon, 30 Dec 2019)
166
Improved file locking debug messages (which are all commented out)

lock_file_for_write/read now the name of the file it's locking so it
print something more helpful.
---
U   wip/filelayer.cpp
U   wip/os.bi
U   wip/os.h
U   wip/os_unix.c
U   wip/os_windows.bas