Last round of simplification of Signal/Slot classes

- merged all the common stuff from 0,1,2,3 argument versions into one common base class
- removed ReturnType template parameter as it was instantiated with "void" everywhere and the
  current ignores the return value of the callbacks anyway

1 files changed, 1 insertions, 1 deletions

diff --git a/src/ToolTheme.hh b/src/ToolTheme.hh
index 8daad7d..5c2352d 100644
--- a/src/ToolTheme.hh
+++ b/src/ToolTheme.hh
@@ -43,7 +43,7 @@ public:
     int alpha() const { return m_alpha; }
     void setAlpha(int alpha) { m_alpha = alpha; }
 
-    virtual FbTk::Signal<void> &reconfigSig() { return FbTk::Theme::reconfigSig(); }
+    virtual FbTk::Signal<> &reconfigSig() { return FbTk::Theme::reconfigSig(); }
 
     virtual ToolTheme &operator *() { return *this; }
     virtual const ToolTheme &operator *() const { return *this; }