Adds missed EXPORT_SYMBOL lines that cause the following build failures with allmodconfig: ERROR: "timerqueue_add" [drivers/rtc/rtc-core.ko] undefined! ERROR: "timerqueue_getnext" [drivers/rtc/rtc-core.ko] undefined! ERROR: "timerqueue_del" [drivers/rtc/rtc-core.ko] undefined! Reported-by: Ingo Molnar <mingo@elte.hu> Reported-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: John Stultz <john.stultz@linaro.org>