Work around for config stats NPE

Potentially fixes issue 722

git-svn-id: http://svn.dmdirc.com/trunk@3482 00569f92-eb28-0410-84fd-f71c24880f

src/com/dmdirc/config/ConfigManager.java

@@ -318,7 +318,11 @@ public class ConfigManager extends ConfigSource implements Serializable,
     protected static void doStats(final String domain, final String option) {
         final String key = domain + "." + option;
         
-        stats.put(key, 1 + (stats.containsKey(key) ? stats.get(key) : 0));
+        if (stats != null) {
+            // Don't ask how it's null, but it is.
+            
+            stats.put(key, 1 + (stats.containsKey(key) ? stats.get(key) : 0));
+        }
     }
     
     /**