[ARROW-13670] [C++] Do a round of compiler warning cleanups

• Type: Improvement
• Status: Resolved
• Priority: Trivial
• Resolution: Fixed
• Fix Version/s: 6.0.0
• Component/s: C++
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/29307
• Assignee: Micah Kornfield
• Reporter: Micah Kornfield
• Created: 18/Aug/21 23:02
• Updated: 11/Jan/23 08:34
• Resolved: 21/Sep/21 13:11

Description

During a build I found several classes without virtual destructors and some out of order initialization.

Issue Links

• links to: GitHub Pull Request #11148