[Freeciv-Dev] win32 build failure in lockfile.c

["Per I. Mathisen" <per@xxxxxxxxxxx>]

gcc -DHAVE_CONFIG_H -I. -I. -I../.. -I../../common    -g -O2 -Wall
-Wpointer-arith -Wcast-align -Wmissing-prototypes -Wmissing-declarations
-c `test -f 'lockfile.c' || echo './'`lockfile.c
lockfile.c: In function `create_lock':
lockfile.c:92: warning: implicit declaration of function `flock'
lockfile.c:92: `LOCK_EX' undeclared (first use in this function)
lockfile.c:92: (Each undeclared identifier is reported only once
lockfile.c:92: for each function it appears in.)
lockfile.c:92: `LOCK_NB' undeclared (first use in this function)
lockfile.c: In function `remove_lock':
lockfile.c:120: `LOCK_UN' undeclared (first use in this function)
make[3]: *** [lockfile.o] Error 1
make[3]: Leaving directory `/d/workspace/freeciv/freeciv/server/userdb'

Please advise.

  - Per

"This is the future for the world we're in at the moment,"
promised Lawrence Di Rita, special assistant to Rumsfeld.
"We'll get better as we do it more often."