NFSD: Remove iattr parameter from nfsd_symlink()

Commit db2e747b1499 (vfs: remove mode parameter from vfs_symlink())
have remove mode parameter from vfs_symlink.
So that, iattr isn't needed by nfsd_symlink now, just remove it.

Signed-off-by: Kinglong Mee <kinglongmee@gmail.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index 7518c65..730f319 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -1505,8 +1505,7 @@
 nfsd_symlink(struct svc_rqst *rqstp, struct svc_fh *fhp,
 				char *fname, int flen,
 				char *path,
-				struct svc_fh *resfhp,
-				struct iattr *iap)
+				struct svc_fh *resfhp)
 {
 	struct dentry	*dentry, *dnew;
 	__be32		err, cerr;