fix wrap_sentence and wrap_sentence_clone in AnnotatedSentence - perserve id

CMakeLists.txt

@@ -2,7 +2,7 @@ PROJECT(Corpus2Library)
 
 set(corpus2_ver_major "1")
 set(corpus2_ver_minor "2")
-set(corpus2_ver_patch "2")
+set(corpus2_ver_patch "3")
 
 cmake_minimum_required(VERSION 2.8.0)
 

libcorpus2/ann/annotatedsentence.cpp

@@ -48,7 +48,7 @@ boost::shared_ptr<AnnotatedSentence> AnnotatedSentence::wrap_sentence(
 	boost::shared_ptr<AnnotatedSentence> a;
 	a = boost::dynamic_pointer_cast<AnnotatedSentence>(s);
 	if (!a) {
-		a = boost::make_shared<AnnotatedSentence>();
+		a = boost::make_shared<AnnotatedSentence>(s->id());
 		BOOST_FOREACH(Token* t, s->tokens()) {
 			a->append(t);
 		}
@@ -63,7 +63,7 @@ boost::shared_ptr<AnnotatedSentence> AnnotatedSentence::wrap_sentence_clone(
 	boost::shared_ptr<AnnotatedSentence> a;
 	a = boost::dynamic_pointer_cast<AnnotatedSentence>(s);
 	if (!a) {
-		a = boost::make_shared<AnnotatedSentence>();
+		a = boost::make_shared<AnnotatedSentence>(s->id());
 		BOOST_FOREACH(Token* t, s->tokens()) {
 			a->append(t->clone());
 		}