SDL_mixer: Ogg symbols should be private by default

From d7d6e292ca14aa73763fbf8995de56dabb5a77fc Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Sun, 14 Jan 2024 07:26:06 -0800
Subject: [PATCH] Ogg symbols should be private by default

---
 Xcode/ogg/ogg.xcodeproj/project.pbxproj | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Xcode/ogg/ogg.xcodeproj/project.pbxproj b/Xcode/ogg/ogg.xcodeproj/project.pbxproj
index 1ec7fd49..108df53e 100644
--- a/Xcode/ogg/ogg.xcodeproj/project.pbxproj
+++ b/Xcode/ogg/ogg.xcodeproj/project.pbxproj
@@ -264,6 +264,7 @@
 				GCC_DYNAMIC_NO_PIC = NO;
 				GCC_NO_COMMON_BLOCKS = YES;
 				GCC_OPTIMIZATION_LEVEL = 0;
+				GCC_SYMBOLS_PRIVATE_EXTERN = YES;
 				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
 				GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
 				GCC_WARN_UNDECLARED_SELECTOR = YES;
@@ -323,6 +324,7 @@
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
 				GCC_C_LANGUAGE_STANDARD = gnu11;
 				GCC_NO_COMMON_BLOCKS = YES;
+				GCC_SYMBOLS_PRIVATE_EXTERN = YES;
 				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
 				GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
 				GCC_WARN_UNDECLARED_SELECTOR = YES;