[ccache] PATCH: reduce stat() calls

[Joel Rosdahl]

On 2010-10-05 02:01, Wilson Snyder wrote:
> 
> Re my last patch, here's another that avoids these two stat calls on hits:
> 
>   stat("$CACHE_DIR/tmp", {...}) = 0
>   stat("$CACHE_DIR/CACHEDIR.TAG", {...}) = 0

Applied. Thanks!

-- Joel