[PATCH] cache: fix GCC warning and avoid variable shadowing

[Thomas Haller]

On Fri, 2016-12-02 at 11:46 +0100, Tobias Klauser wrote:
> Fix the following GCC warning, introduced in commit 66d032ad443a
> ("cache_mngr: add include callback v2"):
> 
> cache.c: In function ‘cache_include.isra.3’:
> cache.c:810:6: warning: ‘diff’ may be used uninitialized in this
> function [-Wmaybe-uninitialized]
>       cb_v2(cache, clone, obj, diff,
>             ^
> 
> Also don't redeclare the uint64_t diff variable, to avoid shadowing.
> 
> Signed-off-by: Tobias Klauser <tklauser at distanz.ch>
> ---


Hi Tobias,

merged as https://github.com/thom311/libnl/commit/7e88d00c095dba3513e15f9ca387df47cfcb0ab0

Thanks,
Thomas
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