patch "step_remaining"

Marlin/stepper.cpp

 
 void Stepper::isr() {
 
-  static uint32_t step_remaining = 0;
-
   uint16_t ocr_val;
 
   #define ENDSTOP_NOMINAL_OCR_VAL 3000    // check endstops every 1.5ms to guarantee two stepper ISRs within 5ms for BLTouch
   #if ENABLED(ENDSTOP_INTERRUPTS_FEATURE)
     #define SPLIT(L) _SPLIT(L)
   #else                 // sample endstops in between step pulses
+    static uint32_t step_remaining = 0;
     #define SPLIT(L) do { \
       _SPLIT(L); \
       if (ENDSTOPS_ENABLED && L > ENDSTOP_NOMINAL_OCR_VAL) { \
       _ENABLE_ISRs(); // re-enable ISRs
       return;
     }
-  # endif
+  #endif
 
   if (cleaning_buffer_counter) {
     --cleaning_buffer_counter;