Bad behavior when an output is given and no deskewing is needed

[galfar]

Original report by Anonymous.

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Hi,

Thanks for the great tool (and multi platform compilations :) )
Here is a minor problem.
Take a page with skew angle too low to need deskewing.
call deskew with output name option, deskew will output an empty file. In the following situation my file will get erased :

#!shell

deskew -o img1.png img1.png

[galfar]

Original comment by Marek Mauder (Bitbucket: galfar, GitHub: galfar).

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Fixed issue #12: Bad behavior when an output is given and no deskewing is needed