Merge pull request #1998 from paclema/Filament_runout_fix

Fixed sintaxis error of filament runout

Marlin/Marlin_main.cpp

   #if HAS_FILRUNOUT
     pinMode(FILRUNOUT_PIN, INPUT);
     #ifdef ENDSTOPPULLUP_FIL_RUNOUT
-      WRITE(FILLRUNOUT_PIN, HIGH);
+      WRITE(FILRUNOUT_PIN, HIGH);
     #endif
   #endif
 }
 void manage_inactivity(bool ignore_stepper_queue/*=false*/) {
   
   #if HAS_FILRUNOUT
-    if (card.sdprinting && !(READ(FILRUNOUT_PIN) ^ FIL_RUNOUT_INVERTING))
+    if (IS_SD_PRINTING && !(READ(FILRUNOUT_PIN) ^ FIL_RUNOUT_INVERTING))
       filrunout();
   #endif