#1485 - Invalid activation key

[uday-kokitkar]

If the user_status is already set to 0, $wpdb->query returns 0. Checking the result with boolean false fixes the issue.

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Changes proposed in this Pull Request:

Fixes #1485 This case is always not reproducible. Sometimes user_status is set to zero before activating the key. Checking wpdb query result strictly helps to fix the false positives.

How to test the changes in this Pull Request:

1. Register a new user.
2. Change the user status to 0 in usermeta table.
3. Try activating the key.

Proof Screenshots or Video

Other information:

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• [ ] Have you written new tests for your changes, as applicable?
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