make compatible with arduino-esp v2

src/LITTLEFS.cpp

@@ -41,7 +41,7 @@ LITTLEFSImpl::LITTLEFSImpl()
 
 bool LITTLEFSImpl::exists(const char* path)
 {
-    File f = open(path, "r");
+    File f = open(path, "r", false);
     return (f == true);
 }
 

src/LITTLEFS.h

@@ -16,6 +16,9 @@
 
 #include "FS.h"
 
+#define LittleFS LITTLEFS
+
+
 namespace fs
 {