Always create a save file if one doesn't exist (#2028)

* Always create a save file if one doesn't exist

* Fix MSVC build

* Re-add accidentally deleted line

* Integrate into d_file_select state machine & put behind instantSaves

---------

Co-authored-by: Luke Street <luke@street.dev>

include/d/d_file_select.h

@@ -287,6 +287,11 @@ public:
         MEMCARDCHECKPROC_ERR_YESNO_CURSOR_MOVE_ANM,
         MEMCARDCHECKPROC_SAVEDATA_CLEAR,
 
+#if TARGET_PC
+        MEMCARDCHECKPROC_AUTO_MAKE_GAMEFILE,
+        MEMCARDCHECKPROC_AUTO_MAKE_GAMEFILE_ERR_WAIT,
+#endif
+
         #if PLATFORM_WII || PLATFORM_SHIELD
         MEMCARDCHECKPROC_NAND_STAT_CHECK,
         MEMCARDCHECKPROC_GAMEFILE_INIT_SEL,
@@ -445,6 +450,10 @@ public:
     void MemCardMakeGameFile();
     void MemCardMakeGameFileWait();
     void MemCardMakeGameFileCheck();
+#if TARGET_PC
+    void MemCardAutoMakeGameFile();
+    void MemCardAutoMakeGameFileErrWait();
+#endif
     void MemCardMsgWindowInitOpen();
     void MemCardMsgWindowOpen();
     void MemCardMsgWindowClose();