[BusyBox] yet more docs fixes

[Tito]

On Sunday 02 May 2004 23:36, Robert P. J. Day wrote:
> 
snip
> 
> strings:
> 	strings [-afo] [-n length] [file ... ] 
> 
> 	Display printable strings in a binary file.
> 
>         -f      Precede each string ...
>         -n N    Specifies that at least N characters ...
>         -o      Each string is preceded by its decimal offset in the file.
> 
>   list does not mention "-a" option in synopsis
snip

Hi ,
-a is there only for compatibility 
as this is the default behaviour.

Ciao,
Tito
> rday
>