Help compiling on 2.4.25, please help!

I have a freshly compiled 2.4.25 kernel (from kernel.org) running on my
machine.

When I try a "make clean modules" on the latest prism54 cvs tarball I get
the following error:

....
gcc -D__KERNEL__ -I/root/src/linux-2.4.25/include -Wall -Wstrict-prototypes
-Wno-trigraphs -O2 -fno-strict-aliasing -fno-common -fomit-frame-pointer
-pipe -mpreferred-stack-boundary=2 -march=i586 -DMODULE -DMODVERSIONS
-include /root/src/linux-2.4.25/include/linux/modversions.h
-DPRISM54_COMPAT24 -nostdinc -iwithprefix include
-DKBUILD_BASENAME=islpci_mgt  -c -o islpci_mgt.o islpci_mgt.c
islpci_mgt.c: In function `islpci_mgt_transaction':
islpci_mgt.c:463: parse error before `wait'
islpci_mgt.c:463: `wait' undeclared (first use in this function)
islpci_mgt.c:463: (Each undeclared identifier is reported only once
islpci_mgt.c:463: for each function it appears in.)
make[3]: *** [islpci_mgt.o] Error 1
make[3]: Leaving directory `/root/dev/apps/prism54-cvs-latest/ksrc'
make[2]: *** [_mod_/root/dev/apps/prism54-cvs-latest/ksrc] Error 2
make[2]: Leaving directory `/root/src/linux-2.4.25'
make[1]: *** [modules] Error 2
make[1]: Leaving directory `/root/dev/apps/prism54-cvs-latest/ksrc'
make: *** [modules-all] Error 2
[root@wialandev01 prism54-cvs-latest]#

Can someone help?

Thanks,

Sergio