Some cleanup of the SkinLoader

Mainly stopped it from parsing the skin XML files over and over again,
but also fixed Skin leaking sticky button images and made some
optimizations.

The Skin class still has an 'instances' member which could be used for
cleanup in theory, but is unused at the moment.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/configlistener.h b/src/configlistener.h
index ec7d6a2c..0fbdfea9 100644
--- a/src/configlistener.h
+++ b/src/configlistener.h
@@ -36,7 +36,7 @@ class ConfigListener
         /**
          * Destructor.
          */
-        virtual ~ConfigListener() {};
+        virtual ~ConfigListener() {}
 
         /**
          * Called when an option changed. The config listener will have to be