From b06c84ad8cb77dde8a044d044371ec38f6bb68f0 Mon Sep 17 00:00:00 2001
From: Christoph Oelckers <coelckers@users.noreply.github.com>
Date: Sun, 1 Mar 2020 10:17:26 +0100
Subject: [PATCH] - fix case sensitive path composition.

---
 source/common/searchpaths.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/source/common/searchpaths.cpp b/source/common/searchpaths.cpp
index 4b2a53cd4..7afb7ed0b 100644
--- a/source/common/searchpaths.cpp
+++ b/source/common/searchpaths.cpp
@@ -678,9 +678,9 @@ static bool CheckAddon(GrpInfo* addon, GrpInfo* main, const char* filename)
 		FString check = path + fn;
 		if (FileExists(check)) continue;
 #if !defined _WIN32 
-		check = check.MakeLower();
+		check = path + fn.MakeLower();
 		if (FileExists(check)) continue;
-		check = check.MakeUpper();
+		check = path + fn.MakeUpper();
 		if (FileExists(check)) continue;
 #endif
 		return false;