coverity#1326240 Explicit null dereferenced

Change-Id: Ic84b5fbff0fbd7b8a750a7e40f2dffafe868b5d5

scripting/java/com/sun/star/script/framework/browse/ProviderBrowseNode.java

@@ -145,8 +145,13 @@ public class ProviderBrowseNode extends PropertySet implements
             result = false;
         }
 
-        LogUtils.DEBUG("***** ProviderBrowseNode.hasChildNodes(): " + "name=" + name +
+        if (container == null) {
+            LogUtils.DEBUG("***** ProviderBrowseNode.hasChildNodes(): " + "name=" + name +
+                       ", path=<none>, result=" + result);
+        } else {
+            LogUtils.DEBUG("***** ProviderBrowseNode.hasChildNodes(): " + "name=" + name +
                        ", path=" + container.getParcelContainerDir() + ", result=" + result);
+        }
 
         return result;
     }
@@ -256,4 +261,4 @@ public class ProviderBrowseNode extends PropertySet implements
     public boolean hasProperty(String aName) {
         return false;
     }
-}
\ No newline at end of file
+}