ppc64: register_ioctl32_conversion defined twice, fix from Olaf Hering

arch/ppc64/kernel/ppc_ksyms.c

@@ -49,8 +49,6 @@
 
 extern int sys_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg);
 extern int do_signal(sigset_t *, struct pt_regs *);
-extern int register_ioctl32_conversion(unsigned int cmd, int (*handler)(unsigned int, unsigned int, unsigned long, struct file *));
-extern int unregister_ioctl32_conversion(unsigned int cmd);
 
 int abs(int);
 
@@ -66,9 +64,6 @@ EXPORT_SYMBOL(disable_irq_nosync);
 EXPORT_SYMBOL(synchronize_irq);
 #endif /* CONFIG_SMP */
 
-EXPORT_SYMBOL(register_ioctl32_conversion);
-EXPORT_SYMBOL(unregister_ioctl32_conversion);
-
 EXPORT_SYMBOL(isa_io_base);
 EXPORT_SYMBOL(pci_io_base);