* flock.cc (create_lock_in_parent): Make lf_obj handle inheritable.

Explain why.
	(lockf_t::create_lock_obj): Use FALSE, rather than 0 for BOOL argument.
	(lockf_t::del_lock_obj): Check if NtSetEvent succeeded and print system
	message if not.

winsup/cygwin/spawn.cc

@@ -467,6 +467,7 @@ child_info_spawn::worker (const char *prog_arg, const char *const *argv,
 	    }
 	}
 
+debug_printf ("ping 1");
       if (mode == _P_DETACH)
 	c_flags |= DETACHED_PROCESS;
       else