unexport d_alloc_pseudo()

No modular uses since introducion of alloc_file_pseudo(),
and the only non-modular user not in alloc_file_pseudo()
had actually been wrong - should've been d_alloc_anon().

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

fs/dcache.c

@@ -1742,6 +1742,9 @@ struct dentry *d_alloc_cursor(struct dentry * parent)
  * never be anyone's children or parents.  Unlike all other
  * dentries, these will not have RCU delay between dropping the
  * last reference and freeing them.
+ *
+ * The only user is alloc_file_pseudo() and that's what should
+ * be considered a public interface.  Don't use directly.
  */
 struct dentry *d_alloc_pseudo(struct super_block *sb, const struct qstr *name)
 {
@@ -1750,7 +1753,6 @@ struct dentry *d_alloc_pseudo(struct super_block *sb, const struct qstr *name)
 		dentry->d_flags |= DCACHE_NORCU;
 	return dentry;
 }
-EXPORT_SYMBOL(d_alloc_pseudo);
 
 struct dentry *d_alloc_name(struct dentry *parent, const char *name)
 {