minor fixes

kernel/arch/i386/system.c

@@ -60,7 +60,7 @@ PUBLIC void arch_shutdown(int how)
 					c != '\'' && c != '"' &&
 					c != '\\' && c != ';') {
 					mybuffer[dest] = c;
-				} else	mybuffer[dest] = '|';
+				} else	mybuffer[dest] = ' ';
 
 				DECSOURCE;
 				dest--;

kernel/system.c

@@ -78,13 +78,6 @@ PUBLIC void sys_task()
   while (TRUE) {
       struct proc *restarting;
 
-#if 0
-if(!(n++ % 100000)) {
-	int i;
-	kprintf("switch %8d reload %8d\n", cr3switch, cr3reload);
-}
-#endif
-
       restarting = vmrestart_check(&m);
       softnotify_check();
 	if(softnotify)