Follow-up to remaining issue with alignment of __log_buf in printk.c

[Andrew Lunn]

> PS: For Andrew, I saw your patch. It won't solve my problem as my compiler
> believes __alignof__(struct log) == 4 ... bad luck for me.
> 
> PPS: My toolchain is arm-2011.09

Hi Robert

I have gcc version 4.4.5 (Debian 4.4.5-8), both native and cross.

  Andrew