Fix bug in CardReader::stopSDPrint

If the SD print is paused, it cannot be stopped

Marlin/cardreader.cpp

 }
 
 void CardReader::startFileprint() {
-  if (cardOK)
-    sdprinting = true;
-}
-
-void CardReader::pauseSDPrint() {
-  if (sdprinting) sdprinting = false;
+  if (cardOK) sdprinting = true;
 }
 
 void CardReader::stopSDPrint() {
-  if (sdprinting) {
-    sdprinting = false;
-    file.close();
-  }
+  sdprinting = false;
+  if (isFileOpen()) file.close();
 }
 
 void CardReader::openLogFile(char* name) {
      SERIAL_ECHOPGM("Now doing file: ");
      SERIAL_ECHOLN(name);
     }
-    file.close();
   }
   else { //opening fresh file
     file_subcall_ctr = 0; //resetting procedure depth in case user cancels print while in procedure
     SERIAL_ECHOPGM("Now fresh file: ");
     SERIAL_ECHOLN(name);
   }
-  sdprinting = false;
+
+  stopSDPrint();
 
   SdFile myDir;
   curDir = &root;
 void CardReader::removeFile(char* name) {
   if (!cardOK) return;
 
-  file.close();
-  sdprinting = false;
+  stopSDPrint();
 
   SdFile myDir;
   curDir = &root;

Marlin/cardreader.h

   void release();
   void openAndPrintFile(const char *name);
   void startFileprint();
-  void pauseSDPrint();
   void stopSDPrint();
   void getStatus();
   void printingHasFinished();
   void updir();
   void setroot();
 
+  FORCE_INLINE void pauseSDPrint() { sdprinting = false; }
   FORCE_INLINE bool isFileOpen() { return file.isOpen(); }
   FORCE_INLINE bool eof() { return sdpos >= filesize; }
   FORCE_INLINE int16_t get() { sdpos = file.curPosition(); return (int16_t)file.read(); }