missing ap_hook_watchdog_* functions in HEAD

[Guenter Knauf]

Hi,
mod_heartbeat uses some hook functions which I cant find any at any
other place in the head source tree:
Linking Release.o/modheartbeat.nlm
### mwldnlm Linker Error:
#   Undefined symbol: ap_hook_watchdog_need in
#   mod_heartbeat.o
### mwldnlm Linker Error:
#   Undefined symbol: ap_hook_watchdog_init in
#   mod_heartbeat.o
### mwldnlm Linker Error:
#   Undefined symbol: ap_hook_watchdog_step in
#   mod_heartbeat.o
### mwldnlm Linker Error:
#   Undefined symbol: ap_hook_watchdog_exit in
#   mod_heartbeat.o

from where come these? In which C file are these imlemented?

Gün.