use disttag ".1" for devel to avoid confusion

[Christopher Aillon]

Patrice Dumas wrote:
> On Mon, Jun 04, 2007 at 04:56:50PM -0400, Christopher Aillon wrote:
>> 
>> Why is it better with a disttag, out of curiosity?
> 
> It is easier to copy over spec files for the different versions. Those
> are rebuilt quite often in any case for changes in gcc/libc,
> so there isn't much gain in avoiding disttag changes (like it is for
> packages less often rebuilt like noarch packages).

How often do those change ABI on stable released versions?  Why would it 
need a rebuild on e.g. FC6?