xcursor: make cursor data and metadata const

include/xcursor/cursor_data.h

@@ -27,7 +27,7 @@
 
 #include <stdint.h>
 
-static uint32_t cursor_data[] = {
+static const uint32_t cursor_data[] = {
 	0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0x00000000, 0x00000000,
 	0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
 	0x00000000, 0x00000000, 0x00000000, 0x00000000, 0xffffffff, 0xff000000,
@@ -532,7 +532,7 @@ static uint32_t cursor_data[] = {
 	0x00000000, 0x00000000,
 };
 
-static struct cursor_metadata {
+static const struct cursor_metadata {
 	char *name;
 	int width, height;
 	int hotspot_x, hotspot_y;

xcursor/wlr_xcursor.c

@@ -46,7 +46,7 @@ static void xcursor_destroy(struct wlr_xcursor *cursor) {
 #include "xcursor/cursor_data.h"
 
 static struct wlr_xcursor *xcursor_create_from_data(
-		struct cursor_metadata *metadata, struct wlr_xcursor_theme *theme) {
+		const struct cursor_metadata *metadata, struct wlr_xcursor_theme *theme) {
 	struct wlr_xcursor *cursor;
 	struct wlr_xcursor_image *image;
 	int size;