RIOT-OS/RIOT — pull request #1763 by dangnhat (2014-10-06 10:30:50+00:00)
Title: cpu/stm32f1: guard isr_exti9_5 and isr_exti15_10 if no GPIO_IRQ is enabled

This PR adds guards around isr_exti9_5, isr_exti15_10 if there are no GPIO_IRQs for these handlers are enabled. Thus, these handlers can be free to use in user's code.