makedep: let umask decide mode for Makefiles

[James McKenzie]

Dan Kegel wrote:
> Paul Bryan Roberts write:
>   
>> The code as it stands creates makefiles with a mode of 600.  This may be
>> benign on most (e.g. personal workstation) installations but not all.
>>
>> An example is where the wine git repository is located on an NFS
>> volume.  Here security settings may mean that root:root is treated as
>> nobody:nogroup.  Installation from the repository is not possible as
>> root (whether via su or sudo) cannot even read the makefiles
>>     
>
> Where I work, NFS is set up so root cannot access any NFS
> volumes, period, because you really can't trust remote systems
> that much with NFS.
>   
Just as an aside, where I work, world write is highly discouraged and
must be removed unless absolutely necessary.

James McKenzie