Fix build with exiv2 >=0.28.0.

Index: ufraw_exiv2.cc
--- ufraw_exiv2.cc.orig
+++ ufraw_exiv2.cc
@@ -15,9 +15,8 @@
 #include "ufraw.h"
 
 #ifdef HAVE_EXIV2
-#include <exiv2/image.hpp>
-#include <exiv2/easyaccess.hpp>
-#include <exiv2/exif.hpp>
+#include <iostream>
+#include <exiv2/exiv2.hpp>
 #include <sstream>
 #include <cassert>
 
@@ -51,7 +50,7 @@ extern "C" int ufraw_exif_read_input(ufraw_data *uf)
         uf->inputExifBuf = NULL;
         uf->inputExifBufLen = 0;
 
-        Exiv2::Image::AutoPtr image;
+        Exiv2::Image::UniquePtr image;
         if (uf->unzippedBuf != NULL) {
             image = Exiv2::ImageFactory::open(
                         (const Exiv2::byte*)uf->unzippedBuf, uf->unzippedBufLen);
@@ -67,7 +66,7 @@ extern "C" int ufraw_exif_read_input(ufraw_data *uf)
         if (exifData.empty()) {
             std::string error(uf->filename);
             error += ": No Exif data found in the file";
-            throw Exiv2::Error(1, error);
+            throw Exiv2::Error(Exiv2::ErrorCode::kerErrorMessage, error);
         }
 
         /* List of tag names taken from exiv2's printSummary() in actions.cpp */
@@ -132,7 +131,7 @@ extern "C" int ufraw_exif_read_input(ufraw_data *uf)
         ufraw_message(UFRAW_SET_LOG, "%s\n", stderror.str().c_str());
 
         return UFRAW_SUCCESS;
-    } catch (Exiv2::AnyError& e) {
+    } catch (Exiv2::Error& e) {
         std::cerr.rdbuf(savecerr);
         std::string s(e.what());
         ufraw_message(UFRAW_SET_WARNING, "%s\n", s.c_str());
@@ -153,7 +152,7 @@ static Exiv2::ExifData ufraw_prepare_exifdata(ufraw_da
         if ((pos = exifData.findKey(Exiv2::ExifKey("Exif.Image.Orientation")))
                 != exifData.end()) {
             ufraw_message(UFRAW_SET_LOG, "Resetting %s from '%d' to '1'\n",
-                          pos->key().c_str(), pos->value().toLong());
+                          pos->key().c_str(), pos->value().toInt64());
             pos->setValue("1"); /* 1 = Normal orientation */
         }
     }
@@ -324,7 +323,7 @@ extern "C" int ufraw_exif_prepare_output(ufraw_data *u
         ufraw_message(UFRAW_SET_LOG, "%s\n", stderror.str().c_str());
 
         return UFRAW_SUCCESS;
-    } catch (Exiv2::AnyError& e) {
+    } catch (Exiv2::Error& e) {
         std::cerr.rdbuf(savecerr);
         std::string s(e.what());
         ufraw_message(UFRAW_SET_WARNING, "%s\n", s.c_str());
@@ -344,7 +343,7 @@ extern "C" int ufraw_exif_write(ufraw_data *uf)
 
         char *filename =
             uf_win32_locale_filename_from_utf8(uf->conf->outputFilename);
-        Exiv2::Image::AutoPtr image = Exiv2::ImageFactory::open(filename);
+        Exiv2::Image::UniquePtr image = Exiv2::ImageFactory::open(filename);
         uf_win32_locale_filename_free(filename);
         assert(image.get() != 0);
 
@@ -364,7 +363,7 @@ extern "C" int ufraw_exif_write(ufraw_data *uf)
         ufraw_message(UFRAW_SET_LOG, "%s\n", stderror.str().c_str());
 
         return UFRAW_SUCCESS;
-    } catch (Exiv2::AnyError& e) {
+    } catch (Exiv2::Error& e) {
         std::cerr.rdbuf(savecerr);
         std::string s(e.what());
         ufraw_message(UFRAW_SET_WARNING, "%s\n", s.c_str());