SDL: Fixed zero CRC matching in the controller mapping database

SDL Commits
1 
From e7332cd81490f45e208be3c994686e43a048135b Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Wed, 24 Aug 2022 15:28:56 -0700
Subject: [PATCH] Fixed zero CRC matching in the controller mapping database

---
 src/joystick/SDL_gamecontroller.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/src/joystick/SDL_gamecontroller.c b/src/joystick/SDL_gamecontroller.c
index b127ee7355c..c188023e6b1 100644
--- a/src/joystick/SDL_gamecontroller.c
+++ b/src/joystick/SDL_gamecontroller.c
@@ -675,10 +675,8 @@ static ControllerMapping_t *SDL_PrivateGetControllerMappingForGUID(SDL_JoystickG
 
     /* Now check for match with no CRC */
     SDL_memcpy(&zero_crc_guid, &guid, sizeof(guid));
+    zero_crc_guid.data[2] = 0;
     zero_crc_guid.data[3] = 0;
-    zero_crc_guid.data[4] = 0;
-    zero_crc_guid.data[5] = 0;
-    zero_crc_guid.data[6] = 0;
     for (mapping = s_pSupportedControllers; mapping; mapping = mapping->next) {
         if (SDL_memcmp(&zero_crc_guid, &mapping->guid, sizeof(guid)) == 0) {
             return mapping;