[Libvir] 1/8 remove useless "if (foo)" tests

[Daniel P. Berrange]

On Fri, Jan 25, 2008 at 11:17:09PM +0100, Jim Meyering wrote:
> Given code like if (foo) free (foo); remove the useless "if (foo) " part.
> 
> Likewise, given if (foo != NULL) free (foo); remove the useless "if" test.

ACK - already reviewed the previous version of it.

Dan
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