Replaced E_DEPRECATED by E_USER_DEPRECATED

to match the if here: https://github.com/zikula/core/blob/1.3/src/lib/legacy/util/LogUtil.php#L433
Merge pull request #1597 from cmfcmf/fix

This PR was merged into zikula:1.3 branch.

Discussion
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Replaced E_DEPRECATED by E_USER_DEPRECATED...


| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | ---
| Fixed tickets | ---
| Refs tickets  | ---
| License       | MIT
| Doc PR        | ---

...to match the if here: https://github.com/zikula/core/blob/1.3/src/lib/legacy/util/LogUtil.php#L433

Commits
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1ff16840d1ca0d081c53116ffc7cc5fabc05c504 Replaced E_DEPRECATED by E_USER_DEPRECATED

to match the if here: https://github.com/zikula/core/blob/1.3/src/lib/legacy/util/LogUtil.php#L433 cmfcmf