File .cvsignore from the latest check-in

libconfig.h
config.log
config.status
config.h
libconfig.a
libconfig.so
Makefile
test-lc
test.cfg
.*.swp
lc_geterrstr.3
lc_register_var.3
lc_register_callback.3
lc_process.3
lc_geterrno.3
libconfig.3
libconfig.dll.a
test-lc.exe
lc_process_file.3
lc_cleanup.3
libconfig.dll.def
libconfig.dll