sdl12-compat: COMPATIBILITY.md: Make a note about Dynamic Jack's binary name.

From e8ef34f52c14000984feb3164af07743da14ee69 Mon Sep 17 00:00:00 2001
From: "Ryan C. Gordon" <[EMAIL REDACTED]>
Date: Thu, 1 Sep 2022 16:05:34 -0400
Subject: [PATCH] COMPATIBILITY.md: Make a note about Dynamic Jack's binary
 name.

It's "main" ...!  We can't reasonably add that to the quirks table.  :(

Fixes #198.
---
 COMPATIBILITY.md | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/COMPATIBILITY.md b/COMPATIBILITY.md
index c0994cd6..2cc1447f 100644
--- a/COMPATIBILITY.md
+++ b/COMPATIBILITY.md
@@ -20,6 +20,10 @@ on X11 if you turn off OpenGL Scaling
 Note that this game calls glXGetProcAddress() directly and likely will not
 work as a native Wayland app (XWayland works fine, however).
 
+You have to set this environment variable yourself. Dynamic Jack's binary
+is called "main" so we can't reasonably set up an automatic entry for it in
+our quirks table.
+
 
 ## Hammerfight (Linux)