drivers/scsi/sym53c8xx_2/* - compile warning

diff -Nurdp -X dontdiff-osdl linux-2.6.11-rc3-mm-original/drivers/scsi/sym53c8xx_2/sym_glue.c linux-2.6.11-rc3-mm/drivers/scsi/sym53c8xx_2/sym_glue.c
@@ -1817,7 +1817,9 @@ static int __devinit sym_check_supported
 	struct pci_dev *pdev = device->pdev;
 	u_char revision;
 	unsigned long io_port = device->s.io_port;
+#ifndef SYM_CONF_IOMAPPED
 	unsigned long base = device->s.base;
+#endif
 	int i;
 
 	/*