bsg: fix missing space in version print

Tomo introduced a bug in his commit, removing the space between
"driver" and "version" in the init printk.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

block/bsg.c

@@ -1073,7 +1073,7 @@ static int __init bsg_init(void)
 	if (ret)
 		goto remove_cdev;
 
-	printk(KERN_INFO BSG_DESCRIPTION "version " BSG_VERSION
+	printk(KERN_INFO BSG_DESCRIPTION " version " BSG_VERSION
 	       " loaded (major %d)\n", bsg_major);
 	return 0;
 remove_cdev: