Reorder Updater init

libraries/Update/src/Update.h

@@ -162,12 +162,12 @@ class UpdateClass {
     bool _verifyHeader(uint8_t data);
     bool _verifyEnd();
 
-    THandlerFunction_Progress _progress_callback;
 
     uint8_t _error;
     uint8_t *_buffer;
     size_t _bufferLen;
     size_t _size;
+    THandlerFunction_Progress _progress_callback;
     uint32_t _progress;
     uint32_t _command;
     const esp_partition_t* _partition;

libraries/Update/src/Updater.cpp

@@ -68,10 +68,10 @@ UpdateClass::UpdateClass()
 , _buffer(0)
 , _bufferLen(0)
 , _size(0)
+, _progress_callback(NULL)
 , _progress(0)
 , _command(U_FLASH)
 , _partition(NULL)
-, _progress_callback(NULL)
 {
 }