question about hostap_compat.h

[张有康]

Version: Host AP 0.2.0
Error:
  ......
  hostap_compat.h:18: warning: static declaration for`flush_scheduled_tasks' 
  follows non-static
  hostap_compat.h:23: parse error before `do'
  hostap_compat.h:23: parse error before `struct'
  make[4]: *** [hostap.o] Error 1
  ......
I'm not fully sure about the reason for this error, could you help me?