Add RT_USING_RTC conditional compilation protection in ctimer.c

Analysis: RT_USING_RTC preprocessing is used in 47cd52d ("修复不
使能 RT_USING_DEVICE 时编译报错") to control the reference of
rtdevice.h, as well as the implementation and call of _control_rtc,
but there are some omissions.

Solution: Add RT_USING_RTC preprocessing control to missing
_control_rtc

Signed-off-by: Shicheng Chu <[email protected]>
Reviewed-by: Chen Wang <[email protected]>

0 files changed, 0 insertions, 0 deletions