[patch] only check for hg without --with-openjdk-src-zip

[Lillian Angel]

Matthias Klose wrote:
> Lillian Angel schrieb:
>> Matthias Klose wrote:
>>> We don't need Mercurial when building from the src.zip file.
>>>
>>>   Matthias
>>>   
>> I am not sure if that is a good idea. You can still specify
>> --with-openjdk-src-zip but use the "dist-openjdk" target which requires hg.
> 
> I think it is. I do not want to add random build dependencies to a package if I
> don't need them (plus I would have to package the forest extension as well).
> The"dist-openjdk" target is not used by default, IMO an error message would be
> more appropriate.

Sure, I will do this.

Lillian