fix strstr, memmem, strcasestr

[Corinna Vinschen]

On Oct  5 17:31, Eric Blake wrote:
> Since it's a bug in my original implementation, and the fix is a
> single line swap, I'm pushing the fix as obvious (whether the
> algorithm is obvious is a different question).
> [...]
> 	memmem, strstr, strcasestr: fix bug with long periodic needle
> 	* lib/str-two-way.h (two_way_long_needle): Avoid bug with long
> 	periodic needle having false positive.

I didn't see it in CVS so I just applied it.


Thanks,
Corinna

-- 
Corinna Vinschen
Cygwin Project Co-Leader
Red Hat