Make sw-suspend compile even without ACPI sleep support.

arch/i386/kernel/setup.c

@@ -684,8 +684,10 @@ void __init setup_arch(char **cmdline_p)
  	drive_info = DRIVE_INFO;
  	screen_info = SCREEN_INFO;
 	apm_info.bios = APM_BIOS_INFO;
+#ifdef CONFIG_ACPI_SLEEP
 	saved_videomode = VIDEO_MODE;
 	printk("Video mode to be used for restore is %lx\n", saved_videomode);
+#endif
 	if( SYS_DESC_TABLE.length != 0 ) {
 		MCA_bus = SYS_DESC_TABLE.table[3] &0x2;
 		machine_id = SYS_DESC_TABLE.table[0];