vfs: make generic_readlink() static

Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
diff --git a/fs/namei.c b/fs/namei.c
index c9baf3b..c248a9e 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -4650,7 +4650,8 @@ int readlink_copy(char __user *buffer, int buflen, const char *link)
  * have ->get_link() not calling nd_jump_link().  Using (or not using) it
  * for any given inode is up to filesystem.
  */
-int generic_readlink(struct dentry *dentry, char __user *buffer, int buflen)
+static int generic_readlink(struct dentry *dentry, char __user *buffer,
+			    int buflen)
 {
 	DEFINE_DELAYED_CALL(done);
 	struct inode *inode = d_inode(dentry);
@@ -4666,7 +4667,6 @@ int generic_readlink(struct dentry *dentry, char __user *buffer, int buflen)
 	do_delayed_call(&done);
 	return res;
 }
-EXPORT_SYMBOL(generic_readlink);
 
 /**
  * vfs_readlink - copy symlink body into userspace buffer