From ecaa3197d25d5af6604d04ccc5ee7cc0dc1fcb9b Mon Sep 17 00:00:00 2001
From: Stephen Anthony <sa666666@gmail.com>
Date: Sat, 16 Apr 2022 21:54:16 -0230
Subject: [PATCH] Eliminate warning for unused parameter.

---
 src/emucore/OSystem.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/emucore/OSystem.cxx b/src/emucore/OSystem.cxx
index 4993edbcb..c1159982e 100644
--- a/src/emucore/OSystem.cxx
+++ b/src/emucore/OSystem.cxx
@@ -796,7 +796,7 @@ ByteBuffer OSystem::openROM(const FilesystemNode& rom, size_t& size,
     if((size = rom.read(image, sizeToRead)) == 0)
       return nullptr;
   }
-  catch(const runtime_error& e)
+  catch(const runtime_error&)
   {
     if(showErrorMessage)  // If caller wants error messages, pass it back
       throw;