SDL: macOS: Fix Xcode project when deployment target is > 10.7

From d4d32833f4d558c8c1da67023abd67598d2667c5 Mon Sep 17 00:00:00 2001
From: Alex Szpakowski <[EMAIL REDACTED]>
Date: Sun, 14 Feb 2021 11:30:22 -0400
Subject: [PATCH] macOS: Fix Xcode project when deployment target is > 10.7

SDL_mfijoystick.m requires ARC, but the Xcode project's macOS targets weren't compiling the file with ARC enabled.
---
 Xcode/SDL/SDL.xcodeproj/project.pbxproj | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/Xcode/SDL/SDL.xcodeproj/project.pbxproj b/Xcode/SDL/SDL.xcodeproj/project.pbxproj
index 2bc8fbfee..694bfbd5c 100644
--- a/Xcode/SDL/SDL.xcodeproj/project.pbxproj
+++ b/Xcode/SDL/SDL.xcodeproj/project.pbxproj
@@ -3796,13 +3796,13 @@
 		F395C1A22569C68F00942BFF /* SDL_iokitjoystick.c in Sources */ = {isa = PBXBuildFile; fileRef = F395C1922569C68E00942BFF /* SDL_iokitjoystick.c */; };
 		F395C1A32569C68F00942BFF /* SDL_iokitjoystick.c in Sources */ = {isa = PBXBuildFile; fileRef = F395C1922569C68E00942BFF /* SDL_iokitjoystick.c */; };
 		F395C1A42569C68F00942BFF /* SDL_iokitjoystick.c in Sources */ = {isa = PBXBuildFile; fileRef = F395C1922569C68E00942BFF /* SDL_iokitjoystick.c */; };
-		F395C1B12569C6A000942BFF /* SDL_mfijoystick.m in Sources */ = {isa = PBXBuildFile; fileRef = F395C1AF2569C6A000942BFF /* SDL_mfijoystick.m */; };
+		F395C1B12569C6A000942BFF /* SDL_mfijoystick.m in Sources */ = {isa = PBXBuildFile; fileRef = F395C1AF2569C6A000942BFF /* SDL_mfijoystick.m */; settings = {COMPILER_FLAGS = "-fobjc-arc"; }; };
 		F395C1B22569C6A000942BFF /* SDL_mfijoystick.m in Sources */ = {isa = PBXBuildFile; fileRef = F395C1AF2569C6A000942BFF /* SDL_mfijoystick.m */; };
 		F395C1B32569C6A000942BFF /* SDL_mfijoystick.m in Sources */ = {isa = PBXBuildFile; fileRef = F395C1AF2569C6A000942BFF /* SDL_mfijoystick.m */; };
-		F395C1B42569C6A000942BFF /* SDL_mfijoystick.m in Sources */ = {isa = PBXBuildFile; fileRef = F395C1AF2569C6A000942BFF /* SDL_mfijoystick.m */; };
+		F395C1B42569C6A000942BFF /* SDL_mfijoystick.m in Sources */ = {isa = PBXBuildFile; fileRef = F395C1AF2569C6A000942BFF /* SDL_mfijoystick.m */; settings = {COMPILER_FLAGS = "-fobjc-arc"; }; };
 		F395C1B52569C6A000942BFF /* SDL_mfijoystick.m in Sources */ = {isa = PBXBuildFile; fileRef = F395C1AF2569C6A000942BFF /* SDL_mfijoystick.m */; };
 		F395C1B62569C6A000942BFF /* SDL_mfijoystick.m in Sources */ = {isa = PBXBuildFile; fileRef = F395C1AF2569C6A000942BFF /* SDL_mfijoystick.m */; };
-		F395C1B72569C6A000942BFF /* SDL_mfijoystick.m in Sources */ = {isa = PBXBuildFile; fileRef = F395C1AF2569C6A000942BFF /* SDL_mfijoystick.m */; };
+		F395C1B72569C6A000942BFF /* SDL_mfijoystick.m in Sources */ = {isa = PBXBuildFile; fileRef = F395C1AF2569C6A000942BFF /* SDL_mfijoystick.m */; settings = {COMPILER_FLAGS = "-fobjc-arc"; }; };
 		F395C1B82569C6A000942BFF /* SDL_mfijoystick.m in Sources */ = {isa = PBXBuildFile; fileRef = F395C1AF2569C6A000942BFF /* SDL_mfijoystick.m */; };
 		F395C1B92569C6A000942BFF /* SDL_mfijoystick.m in Sources */ = {isa = PBXBuildFile; fileRef = F395C1AF2569C6A000942BFF /* SDL_mfijoystick.m */; };
 		F395C1BA2569C6A000942BFF /* SDL_mfijoystick_c.h in Headers */ = {isa = PBXBuildFile; fileRef = F395C1B02569C6A000942BFF /* SDL_mfijoystick_c.h */; };