Bugfix in errorlog() - don't let node's critical error counter wrap (max out

at 255).

src/sbbs3/logfile.cpp

@@ -359,7 +359,9 @@ void sbbs_t::errorlog(char *text)
 	errorlog_inside=1;
 	if(cfg.node_num>0) {
 		getnodedat(cfg.node_num,&thisnode,1);
-		criterrs=++thisnode.errors;
+		if(thisnode.errors<UCHAR_MAX)
+			thisnode.errors++;
+		criterrs=thisnode.errors;
 		putnodedat(cfg.node_num,&thisnode);
 	}
 	now=time(NULL);