Added missing virtual destructor

[VineetTambe]

Basic Info

Added the missing empty virtual destructor which prevented package building of nav2_mppi_controller.

Info	Please fill out this column
Ticket(s) this addresses	-
Primary OS tested on	Ubuntu 22.04
Robotic platform tested on	ROS2 Humble + simulation setup used -> NeoBotix sim mp400 robot

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Added the missing empty virtual destructor which prevented package building of nav2_mppi_controller.
A simple enough one-liner fix which allowed for the package to build

Description of documentation updates required from your changes

No documentation update required

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For Maintainers:

• Check that any new parameters added are updated in navigation.ros.org
• Check that any significant change is added to the migration guide
• Check that any new features OR changes to existing behaviors are reflected in the tuning guide
• Check that any new functions have Doxygen added
• Check that any new features have test coverage
• Check that any new plugins is added to the plugins page
• If BT Node, Additionally: add to BT's XML index of nodes for groot, BT package's readme table, and BT library lists

[VineetTambe]

PR from main to main as opposed to the wrong branch in this PR

[mergify]

@VineetTambe, your PR has failed to build. Please check CI outputs and resolve issues.
You may need to rebase or pull in main due to API changes (or your contribution genuinely fails).

[SteveMacenski]

@VineetTambe heed the build failures. It already exists

  ~CriticManager() = default;

  /**
    * @brief Virtual Destructor for mppi::CriticManager
    */
  virtual ~CriticManager() = default;

[VineetTambe]

@VineetTambe heed the build failures. It already exists

  ~CriticManager() = default;

  /**
    * @brief Virtual Destructor for mppi::CriticManager
    */
  virtual ~CriticManager() = default;

Very interesting. I am not sure why this change doesn't translate to the humble branch.
This PR is no longer needed I guess then? Sorry for wasting your time.

[SteveMacenski]

@VineetTambe is it only missing in Humble (what about Iron)?

If so, reopen the Humble (and Iron?) PR and I can merge. Sorry about the whiplash, I didn't know we already resolved this issue in Main :-)

[VineetTambe]

Closing this PR and re-opening the previous one.

[VineetTambe]

@VineetTambe is it only missing in Humble (what about Iron)?

If so, reopen the Humble (and Iron?) PR and I can merge. Sorry about the whiplash, I didn't know we already resolved this issue in Main :-)

@SteveMacenski it's only missing in humble for some reason. It is there in iron.