SDL: Fixed compiler warning (9c9e6)

SDL Commits
1 
From 9c9e6e3aa3757d4e8deb8b56843c86ce6bedfa68 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Sat, 17 Dec 2022 06:51:02 -0800
Subject: [PATCH] Fixed compiler warning

./src/joystick/SDL_joystick.c:105:12: warning: no previous extern declaration for non-static variable ‘SDL_joystick_lock’ [-Wmissing-variable-declarations]
SDL_mutex SDL_joystick_lock = NULL; / This needs to support recursive locks */
^
./src/joystick/SDL_joystick.c:105:1: note: declare ‘static’ if the variable is not intended to be used outside of this translation unit
SDL_mutex SDL_joystick_lock = NULL; / This needs to support recursive locks */
^

1 warning generated.

(cherry picked from commit 3b0cd441584ada86c4456afb4e8b3edaf2173073)
---
 src/joystick/SDL_joystick.c             | 4 ++++
 src/joystick/hidapi/SDL_hidapi_rumble.c | 3 +++
 2 files changed, 7 insertions(+)

diff --git a/src/joystick/SDL_joystick.c b/src/joystick/SDL_joystick.c
index 8133e706c437..4e57ac892f8a 100644
--- a/src/joystick/SDL_joystick.c
+++ b/src/joystick/SDL_joystick.c
@@ -102,6 +102,10 @@ static SDL_JoystickDriver *SDL_joystick_drivers[] = {
         &SDL_DUMMY_JoystickDriver
 #endif
 };
+
+#ifndef SDL_THREAD_SAFETY_ANALYSIS
+static
+#endif
 SDL_mutex *SDL_joystick_lock = NULL; /* This needs to support recursive locks */
 static int SDL_joysticks_locked;
 static SDL_bool SDL_joysticks_initialized;
diff --git a/src/joystick/hidapi/SDL_hidapi_rumble.c b/src/joystick/hidapi/SDL_hidapi_rumble.c
index 086efc035bf7..8a9fb524bcd4 100644
--- a/src/joystick/hidapi/SDL_hidapi_rumble.c
+++ b/src/joystick/hidapi/SDL_hidapi_rumble.c
@@ -49,6 +49,9 @@ typedef struct SDL_HIDAPI_RumbleContext
     SDL_HIDAPI_RumbleRequest *requests_tail;
 } SDL_HIDAPI_RumbleContext;
 
+#ifndef SDL_THREAD_SAFETY_ANALYSIS
+static
+#endif
 SDL_mutex *SDL_HIDAPI_rumble_lock;
 static SDL_HIDAPI_RumbleContext rumble_context SDL_GUARDED_BY(SDL_HIDAPI_rumble_lock);