Fix lintian dep5-copyright-license-name-not-unique and space-in-std-short-name-in-dep5-copyright warnings

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Closes: #754163, #754164

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The "libdc1394 error: Failed to initialize libdc1394" message
will not fail the test (patch provided by Martin Pitt
<martin.pitt@ubuntu.com>).

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This reverts commit 9be0cda6.

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ease backporting.

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