qemu-img: Use strerror() for generic resize error
Emitting the plain error number is not very helpful. Use strerror() instead. Signed-off-by: Max Reitz <mreitz@redhat.com> Message-id: 20160615153630.2116-2-mreitz@redhat.com Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Max Reitz <mreitz@redhat.com>
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			@ -3283,7 +3283,7 @@ static int img_resize(int argc, char **argv)
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        error_report("Image is read-only");
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        break;
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    default:
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        error_report("Error resizing image (%d)", -ret);
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        error_report("Error resizing image: %s", strerror(-ret));
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        break;
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    }
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out:
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