From 7171099ce505ec6465ea54f72e2c6555afef2a6c Mon Sep 17 00:00:00 2001
From: Jason Bou-Samra <154414066+bou-samra@users.noreply.github.com>
Date: Wed, 9 Oct 2024 20:06:46 +1100
Subject: [PATCH] Update research.h

---
 src/research.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/research.h b/src/research.h
index 466a68f..803af5d 100644
--- a/src/research.h
+++ b/src/research.h
@@ -6,4 +6,5 @@ int eliminate_c(void);		// eliminate clusters
 int cascade(void);		// cascade ceiling tiles
 int clear_mat(void);		// clear matched array;
 
+extern int matched;
 #endif