GPLv2 or v3 - Which License is applied to ccache-2.4 ?

"[email protected]" <[email protected]>
Newsgroups gmane.comp.compilers.ccache
Message-ID <[email protected]>
Hi, 

The License of ccache-2.4 is GPLv2, and license page(http://ccache.samba.org/license.html) says v3.
Which license is applied to ccache-2.4?
(Is license page is only for current version?)
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