Fixes pAI SecHUDs

Replaces "return" with "continue" on line 29. "return" was prematurely terminating the loop, causing pAIs to only see one or a few HUD icons at a time.

I plan to extend these HUDs to the AI in the future, after the freeze.
Merge pull request #4126 from GunHog/patch-1

Fixes pAI SecHUDs