SDL: Fix static build with libdrm 2.4.116

From 5dfb0c19c8e88245911841189f1bd2880170a2c3 Mon Sep 17 00:00:00 2001
From: Reilly Brogan <[EMAIL REDACTED]>
Date: Tue, 26 Dec 2023 17:51:52 -0600
Subject: [PATCH] Fix static build with libdrm 2.4.116

---
 src/video/kmsdrm/SDL_kmsdrmsym.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/video/kmsdrm/SDL_kmsdrmsym.h b/src/video/kmsdrm/SDL_kmsdrmsym.h
index ef12c36b8c5d..c2af4aa8c2d1 100644
--- a/src/video/kmsdrm/SDL_kmsdrmsym.h
+++ b/src/video/kmsdrm/SDL_kmsdrmsym.h
@@ -63,7 +63,7 @@ SDL_KMSDRM_SYM(int,drmModeSetCrtc,(int fd, uint32_t crtcId, uint32_t bufferId,
 SDL_KMSDRM_SYM(int,drmModeCrtcGetGamma,(int fd, uint32_t crtc_id, uint32_t size,
                                         uint16_t *red, uint16_t *green, uint16_t *blue))
 SDL_KMSDRM_SYM(int,drmModeCrtcSetGamma,(int fd, uint32_t crtc_id, uint32_t size,
-                                        uint16_t *red, uint16_t *green, uint16_t *blue))
+                                        const uint16_t *red, const uint16_t *green, const uint16_t *blue))
 SDL_KMSDRM_SYM(int,drmModeSetCursor,(int fd, uint32_t crtcId, uint32_t bo_handle,
                                      uint32_t width, uint32_t height))
 SDL_KMSDRM_SYM(int,drmModeSetCursor2,(int fd, uint32_t crtcId, uint32_t bo_handle,