#2 problem adding HarmonicSpectralSpreadType

[Anonymous]

In some cases, it is thrown NullPointerException. it is problem with null checking:

--- src/mpeg7audioenc/src/de/crysandt/audio/mpeg7audio/MP7DocumentBuilder.java
+++ spnt-code/spnt-mpeg7/src/main/java/de/crysandt/audio/mpeg7audio/MP7DocumentBuilder.java

@@ -1141,7 +1184,7 @@
}

private void addHSS(Document doc, Element audio_segment) {
- if (msgHSD==null)
+ if (msgHSS==null)
return;

addHS(doc, audio_segment, "HarmonicSpectralSpreadType", msgHSS.hss);