radv: Use os_localtime instead of localtime_r

Cross-platform abstraction that works with MSVC.

Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7866>

src/amd/vulkan/radv_debug.c

@@ -669,7 +669,7 @@ radv_check_gpu_hangs(struct radv_queue *queue, struct radeon_cmdbuf *cs)
 	char buf_time[128];
 
 	time(&raw_time);
-	timep = localtime_r(&raw_time, &result);
+	timep = os_localtime(&raw_time, &result);
 	strftime(buf_time, sizeof(buf_time), "%Y.%m.%d_%H.%M.%S", timep);
 
 	snprintf(dump_dir, sizeof(dump_dir), "%s/"RADV_DUMP_DIR"_%d_%s",