qnx4: di_fname is an array, for crying out loud...

(struct qnx4_inode_entry *)(bh->b_data + some_offset)->di_fname
is not going to be NULL, TYVM...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

fs/qnx4/inode.c

@@ -194,7 +194,6 @@ static const char *qnx4_checkroot(struct super_block *sb)
 			}
 			for (i = 0; i < QNX4_INODES_PER_BLOCK; i++) {
 				rootdir = (struct qnx4_inode_entry *) (bh->b_data + i * QNX4_DIR_ENTRY_SIZE);
-				if (rootdir->di_fname != NULL) {
 				QNX4DEBUG((KERN_INFO "rootdir entry found : [%s]\n", rootdir->di_fname));
 				if (!strcmp(rootdir->di_fname,
 					    QNX4_BMNAME)) {
@@ -209,7 +208,6 @@ static const char *qnx4_checkroot(struct super_block *sb)
 					break;
 				}
 			}
-			}
 			brelse(bh);
 			if (found != 0) {
 				break;