Coding standards

Marlin/src/HAL/HAL_DUE/DebugMonitor_Due.cpp

@@ -231,7 +231,7 @@ void HardFault_HandlerC(unsigned long *sp, unsigned long lr, unsigned long cause
 
   // Reset controller
   NVIC_SystemReset();
-  while(1) { WDT_Restart(WDT); }
+  for (;;) WDT_Restart(WDT);
 }
 
 __attribute__((naked)) void NMI_Handler(void) {

Marlin/src/HAL/HAL_DUE/u8g_com_HAL_DUE_shared_hw_spi.cpp

@@ -95,7 +95,7 @@ void u8g_SetPILevel_DUE_hw_spi(u8g_t *u8g, uint8_t pin_index, uint8_t level) {
 }
 
 uint8_t u8g_com_HAL_DUE_shared_hw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr) {
-  switch(msg) {
+  switch (msg) {
     case U8G_COM_MSG_STOP:
       break;