}
#if CONFIG_MSZH_DECODER
-AVCodec ff_mszh_decoder = {
+const AVCodec ff_mszh_decoder = {
.name = "mszh",
.long_name = NULL_IF_CONFIG_SMALL("LCL (LossLess Codec Library) MSZH"),
.type = AVMEDIA_TYPE_VIDEO,
#endif
#if CONFIG_ZLIB_DECODER
-AVCodec ff_zlib_decoder = {
+const AVCodec ff_zlib_decoder = {
.name = "zlib",
.long_name = NULL_IF_CONFIG_SMALL("LCL (LossLess Codec Library) ZLIB"),
.type = AVMEDIA_TYPE_VIDEO,