Merge pull request #715 from MarcMil/npe

NPE fix

Author: StevenArzt

soot-infoflow-android/src/soot/jimple/infoflow/android/source/parsers/xml/AbstractXMLSourceSinkParser.java

@@ -190,7 +190,8 @@ protected void handleStarttagCategory(Attributes attributes) {
 			if (strCategory != null && !strCategory.isEmpty())
 				strCategory = strCategory.trim();
 
-			String strDescription = attributes.getValue(XMLConstants.DESCRIPTION_ATTRIBUTE).trim();
+			String strDescription = attributes.getValue(XMLConstants.DESCRIPTION_ATTRIBUTE);
+
 			if (strDescription != null && !strDescription.isEmpty())
 				strDescription = strDescription.trim();