try exiv version fix for ubuntu

main.cpp

@@ -8,6 +8,7 @@
 #include "lib/imgui_internal.h"
 #include <cstdint>
 #include <exiv2/tags.hpp>
+#include <exiv2/version.hpp>
 #include <iostream>
 #include <stdexcept>
 #include <stdio.h>
@@ -39,6 +40,8 @@
 
 #include "lib/histogram.h"
 
+
+
 struct Args : public argparse::Args {
   std::string &fpath = arg("path to the image");
 };
@@ -83,7 +86,11 @@ EXIFData printExifData(const std::string& imagePath) {
     d.CameraMake = "NULL";
     try {
         // Load the image
+        #if EXIV2_TEST_VERSION(0,28,0)
         Exiv2::Image::UniquePtr img = Exiv2::ImageFactory::open(imagePath);
+        #else
+        Exiv2::Image::AutoPtr img = Exiv2::ImageFactory::open(imagePath);
+        #endif
         if (img.get() == 0) {
             std::cerr << "Error: Could not open image file " << imagePath << std::endl;
             return d;