trivial: remove unused variable 'path' in alloc_file()

'struct path' is not used in alloc_file().
Signed-off-by: NTero Roponen <tero.roponen@gmail.com>
Signed-off-by: NJiri Kosina <jkosina@suse.cz>

fs/file_table.c

@@ -169,7 +169,6 @@ struct file *alloc_file(struct vfsmount *mnt, struct dentry *dentry,
 		fmode_t mode, const struct file_operations *fop)
 {
 	struct file *file;
-	struct path;
 
 	file = get_empty_filp();
 	if (!file)