staging: comedi: comedi_compat32.h: add identifiers to function parameters

Fix checkpatch.pl warnings of the form "function definition argument
'foo' should also have an identifier name".
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/comedi/comedi_compat32.h

@@ -25,7 +25,8 @@
 #ifdef CONFIG_COMPAT
 
 struct file;
-long comedi_compat_ioctl(struct file *, unsigned int cmd, unsigned long arg);
+long comedi_compat_ioctl(struct file *file, unsigned int cmd,
+			 unsigned long arg);
 
 #else /* CONFIG_COMPAT */