fix extracting of LinphoneContent from SalBody

coreapi/info.c

@@ -85,6 +85,7 @@ const LinphoneContent *linphone_content_from_sal_body(LinphoneContent *obj, cons
 		obj->subtype=(char*)ref->subtype;
 		obj->data=(void*)ref->data;
 		obj->size=ref->size;
+		return obj;
 	}
 	return NULL;
 }

tester/eventapi_tester.c

@@ -28,6 +28,8 @@ static const char *subscribe_content="<somexml>blabla</somexml>";
 static const char *notify_content="<somexml2>blabla</somexml2>";
 
 void linphone_notify_received(LinphoneCore *lc, LinphoneEvent *lev, const char *eventname, const LinphoneContent *content){
+	CU_ASSERT_PTR_NOT_NULL_FATAL(content);
+	CU_ASSERT_TRUE(strcmp(notify_content,(const char*)content->data)==0);
 }
 
 void linphone_subscription_state_change(LinphoneCore *lc, LinphoneEvent *lev, LinphoneSubscriptionState state) {
@@ -125,6 +127,7 @@ static void subscribe_test_with_args(bool_t terminated_by_subscriber) {
 	if (terminated_by_subscriber){
 		linphone_event_terminate(lev);
 	}else{
+		CU_ASSERT_PTR_NOT_NULL_FATAL(pauline->lev);
 		linphone_event_terminate(pauline->lev);
 	}