Rebuild SD file sort array on Stop SD Print (#9975)

Thanks Chuck Hellebuyck.

Marlin/cardreader.h

@@ -27,6 +27,8 @@
 
 #if ENABLED(SDSUPPORT)
 
+#define SD_RESORT ENABLED(SDCARD_SORT_ALPHA) && ENABLED(SDSORT_DYNAMIC_RAM)
+
 #define MAX_DIR_DEPTH 10          // Maximum folder depth
 
 #include "SdFile.h"
@@ -52,7 +54,11 @@ public:
   void release();
   void openAndPrintFile(const char *name);
   void startFileprint();
-  void stopSDPrint();
+  void stopSDPrint(
+    #if SD_RESORT
+      const bool re_sort=false
+    #endif
+  );
   void getStatus();
   void printingHasFinished();