Update to latest TOS distro

TempleOSCD/Kernel/KExts.HC

@@ -60,8 +60,6 @@ extern I64 GetChar(I64 *_scan_code=NULL,Bool echo=TRUE,Bool raw_cursor=FALSE);
 extern I64 GetS(U8 *buf,I64 size,Bool allow_ext=TRUE);
 extern CHeapCtrl *HeapCtrlInit(CHeapCtrl *hc=NULL,
 	CTask *task=NULL,CBlkPool *bp);
-extern Bool ISO1FileFind(CDrv *dv,I64 cur_dir_clus,U8 *name,
-	CDirEntry *_res,I64 fuf_flags=0);
 extern Bool ISOInit(CDrv *dv,I64 blk);
 extern Bool IsDbgMode();
 extern Bool IsDir(U8 *dir_name);