[CVE-2009-0029] Rename old_readdir to sys_old_readdir

This way it matches the generic system call name convention.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
diff --git a/arch/powerpc/include/asm/systbl.h b/arch/powerpc/include/asm/systbl.h
index 803def23..72353f6 100644
--- a/arch/powerpc/include/asm/systbl.h
+++ b/arch/powerpc/include/asm/systbl.h
@@ -92,7 +92,7 @@
 SYSCALL(uselib)
 SYSCALL(swapon)
 SYSCALL(reboot)
-SYSX(sys_ni_syscall,compat_sys_old_readdir,old_readdir)
+SYSX(sys_ni_syscall,compat_sys_old_readdir,sys_old_readdir)
 SYSCALL_SPU(mmap)
 SYSCALL_SPU(munmap)
 SYSCALL_SPU(truncate)