go to the end of the file, find this:
struct BurnDriver BurnDrvkof2000d = {
{"kof2000d", "The King of Fighters 2000 (decrypted c)", NULL, "", "Neo Geo", "", "kof2000", "neogeo"},
BDF_GAME_WORKING | BDF_CLONE, 2, HARDWARE_SNK_NEOGEO | HARDWARE_SNK_SRAM | HARDWARE_SNK_ALTERNATE_TEXT | HARDWARE_SNK_SMA_PROTECTION,
NULL, kof2000dRomInfo, kof2000dRomName, neogeoInputInfo, neogeoDIPInfo,
kof2000dInit, NeoExit, NeoFrame, NeoRender, NeoScan, &NeoRecalcPalette,
nNeoScreenWidth, 224, 4, 3
};
*/
and delete the last line, this stuff */, thats all, the warning i dont have an idea, looks like its ok, anyway the second one must be fixed deleting that line