[PATCH]: Thread safe stdio

[Thomas Pfaff]

Please ignore this patch, i will generate a new one soon.

Thomas

Thomas Pfaff wrote:
> This patch adds support for thread safe stdio.
> 
> It will add 3 new header files three which supersedes newlib ones.
> 
> One of these (_types.h) is just a copy of newlibs _types.h with a
> modified _lock_t. It is not strictly necessary since sizeof(int)
> == sizeof(void*).
> 
> This patch makes only sense when my patch for newlib will be accepted.
>