[phobos] build failure in std.file

[Walter Bright]

The latest checkin to std.path fixes the problem.

Andrei Alexandrescu wrote:
> On 09/2010 02:21 AM, Walter Bright wrote:
>> Thanks! I updated, but the compile failure persists:
>>
>> H:\mars\phobos>..\dmd -c std\file.d
>> std\algorithm.d(3200): Error: cast(string)_param_1 is not an lvalue
>
> I assumed it must be the new compiler's changes in typechecking, but I 
> just got the latest compiler, copied it over the older one, then:
>
> make -f posix.mak clean
> make -f posix.mak unittest
>
> and it all worked.
>