Assertion failure when loading a saved game

[Stubbjax]

Prerequisites

• I have searched for similar issues and confirmed this is not a duplicate

Game Version

• Command & Conquer Generals
• Command & Conquer Generals: Zero Hour
• Other (please specify below)

Bug Description

When loading a saved game, the following assertion failure occurs:

Looks to be introduced by 038f51f.

Reproduction Steps

1. Load a saved game
2. Observe assertion failure

Additional Context

No response

[Skyaero42]

Caused by #1808

[Skyaero42]

Line 2475 is the issue, isInSaveDirectory()