Did not re-enable interrupts

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@238 42af7a65-404d-4744-a932-0658087f49c3

sched/timer_initialize.c

@@ -158,6 +158,7 @@ void weak_function timer_deleteall(pid_t pid)
           timer_delete((timer_t)timer);
         }
     }
+  irqrestore(flags);
 }
 
 #endif /* CONFIG_DISABLE_POSIX_TIMERS */