Update libkiwix with search iterator rename in libzim

Search iterator API in libzim has been shifted to use camel case naming.
This has to be accomodated in libkiwix as well.

src/reader.cpp

@@ -507,9 +507,9 @@ bool Reader::searchSuggestionsSmart(const string& prefix,
          current != suggestions.end();
          current++) {
       std::vector<std::string> suggestion;
-      suggestion.push_back(current->getTitle());
+      suggestion.push_back(current.getTitle());
-      suggestion.push_back(current->getPath());
+      suggestion.push_back(current.getPath());
-      suggestion.push_back(kiwix::normalize(current->getTitle()));
+      suggestion.push_back(kiwix::normalize(current.getTitle()));
       results.push_back(suggestion);
     }
     retVal = true;

src/searcher.cpp

@@ -235,19 +235,19 @@ _Result::_Result(zim::SearchResultSet::iterator iterator)
 
 std::string _Result::get_url()
 {
-  return iterator.get_path();
+  return iterator.getPath();
 }
 std::string _Result::get_title()
 {
-  return iterator.get_title();
+  return iterator.getTitle();
 }
 int _Result::get_score()
 {
-  return iterator.get_score();
+  return iterator.getScore();
 }
 std::string _Result::get_snippet()
 {
-  return iterator.get_snippet();
+  return iterator.getSnippet();
 }
 std::string _Result::get_content()
 {
@@ -255,15 +255,15 @@ std::string _Result::get_content()
 }
 int _Result::get_size()
 {
-  return iterator.get_size();
+  return iterator.getSize();
 }
 int _Result::get_wordCount()
 {
-  return iterator.get_wordCount();
+  return iterator.getWordCount();
 }
 int _Result::get_readerIndex()
 {
-  return iterator.get_fileIndex();
+  return iterator.getFileIndex();
 }