Staging: wlags49: build fixes

Now that the code actually gets selected in the kernel config
properly, all of the build errors start showing up.

This patch papers over a few of them to get the code to build, I have
no idea if it actually works now or not...

Cc: Henk de Groot <pe1dnn@amsat.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>