From ce76480304051f32ea36a71ec5178b720c7a2520 Mon Sep 17 00:00:00 2001
From: Will Miles <will@willmiles.net>
Date: Sat, 16 Nov 2024 17:10:08 -0500
Subject: [PATCH] Fix array overflow in exploding_fireworks

Attempt to allocate enough room for the "minimum" sparks; and ensure
that we never overrun the allocated array size.

Fixes #4120