SDL: Reenable getting the serial number on macOS

SDL Commits
1 
From 14db417e122d9a8d842f851234b30030ba28ef22 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Tue, 8 Mar 2022 21:32:27 -0800
Subject: [PATCH] Reenable getting the serial number on macOS

We filter now on game controllers, so we shouldn't hit the crash bug on random devices that this was working around.
---
 src/hidapi/mac/hid.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/src/hidapi/mac/hid.c b/src/hidapi/mac/hid.c
index 6e7028501a9..716c7debb58 100644
--- a/src/hidapi/mac/hid.c
+++ b/src/hidapi/mac/hid.c
@@ -326,10 +326,7 @@ static int get_string_property_utf8(IOHIDDeviceRef device, CFStringRef prop, cha
 
 static int get_serial_number(IOHIDDeviceRef device, wchar_t *buf, size_t len)
 {
-	// This crashes on M1 Macs, tracked by radar bug 79667729
-	//return get_string_property(device, CFSTR(kIOHIDSerialNumberKey), buf, len);
-	buf[0] = 0;
-	return 0;
+	return get_string_property(device, CFSTR(kIOHIDSerialNumberKey), buf, len);
 }
 
 static int get_manufacturer_string(IOHIDDeviceRef device, wchar_t *buf, size_t len)