Make the XPath engine handle CDATA sections as text-nodes.

b=92786 r=peterv, pike sr=jst

Mixed small fixes and comments.
b=99792 r=peterv sr=jst


git-svn-id: svn://10.0.0.236/trunk@103025 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/extensions/transformiix/source/base/StringList.cpp

@@ -269,7 +269,8 @@ String* StringListIterator::next() {
     else {
         currentItem = stringList->firstItem;
         allowRemove = MB_TRUE;
-        return currentItem->strptr;
+        if (currentItem)
+            return currentItem->strptr;
     }
     return 0;
 } //-- next