SDL: Added a key name for the non-US backslash key

From 8722c297a468c30f1fc5032a9dc8abb924cb8e3b Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Wed, 10 Jul 2024 19:16:04 -0700
Subject: [PATCH] Added a key name for the non-US backslash key

---
 src/events/SDL_keymap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/events/SDL_keymap.c b/src/events/SDL_keymap.c
index b4a576cd5f99d..6336106816381 100644
--- a/src/events/SDL_keymap.c
+++ b/src/events/SDL_keymap.c
@@ -394,7 +394,7 @@ static const char *SDL_scancode_names[SDL_NUM_SCANCODES] =
     /* 97 */ "Keypad 9",
     /* 98 */ "Keypad 0",
     /* 99 */ "Keypad .",
-    /* 100 */ NULL,
+    /* 100 */ "\\",
     /* 101 */ "Application",
     /* 102 */ "Power",
     /* 103 */ "Keypad =",