target-ppc: Fix overallocation of opcode tables create_new_table() should allocate 0x20 opc_handler_t pointers, but actually allocates 0x20 opc_handler_t structs. Fix this. Signed-off-by: Stuart Brady <sdb@zubnet.me.uk> Reviewed-by: Tom Musta <tommusta@gmail.com> Tested-by: Tom Musta <tommusta@gmail.com> Signed-off-by: Andreas Färber <afaerber@suse.de>