fix typo

hierophect · hierophect · commit c38086fc4a14 · 2019-11-11T15:04:22.000-05:00
diff --git a/ports/stm32f4/common-hal/microcontroller/__init__.c b/ports/stm32f4/common-hal/microcontroller/__init__.c
@@ -64,7 +64,6 @@ void common_hal_mcu_delay_us(uint32_t delay) {
     } else {
         //when SysTick is disabled, approximate with busy loop
         const uint32_t ucount = HAL_RCC_GetSysClockFreq() / 1000000 * delay / LOOP_TICKS;
-        (void)start;
         for (uint32_t count = 0; ++count <= ucount;) {
         }
     }

Original file line number	Diff line number	Diff line change
`@@ -64,7 +64,6 @@ void common_hal_mcu_delay_us(uint32_t delay) {`
`64`	`64`	`} else {`
`65`	`65`	`//when SysTick is disabled, approximate with busy loop`
`66`	`66`	`const uint32_t ucount = HAL_RCC_GetSysClockFreq() / 1000000 * delay / LOOP_TICKS;`
`67`		`- (void)start;`
`68`	`67`	`for (uint32_t count = 0; ++count <= ucount;) {`
`69`	`68`	`}`
`70`	`69`	`}`