fs/fat: fix a checkpatch issue in namei_msdos.c

Add a space before an equals sign/operator in line 410.

Signed-off-by: Cruz Julian Bishop <cruzjbishop@gmail.com>
Acked-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

fs/fat/namei_msdos.c

@@ -407,7 +407,7 @@ static int msdos_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
 static int msdos_unlink(struct inode *dir, struct dentry *dentry)
 {
 	struct inode *inode = dentry->d_inode;
-	struct super_block *sb= inode->i_sb;
+	struct super_block *sb = inode->i_sb;
 	struct fat_slot_info sinfo;
 	int err;