SDL: Fixed memory leak looking up pen tool names

From 8ba8cca69bc468c9f9a6054aa6a383ade9bd39a2 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Tue, 4 Feb 2025 23:59:08 -0800
Subject: [PATCH] Fixed memory leak looking up pen tool names

---
 src/video/x11/SDL_x11pen.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/video/x11/SDL_x11pen.c b/src/video/x11/SDL_x11pen.c
index d382eee7013ab..c7e4c8bba6f05 100644
--- a/src/video/x11/SDL_x11pen.c
+++ b/src/video/x11/SDL_x11pen.c
@@ -85,6 +85,7 @@ static bool X11_XInput2PenIsEraser(SDL_VideoDevice *_this, int deviceid, char *d
                     result = true;
                 }
                 X11_XFree(tooltype_name_info);
+                X11_XFree(tooltype_name);
 
                 return result;
             }