Tweak in icon / callsign

* conversion to Icon in callsign
* toQIcon function

src/blackmisc/icon.cpp

@@ -20,6 +20,14 @@ namespace BlackMisc
         return CIcons::pixmapByIndex(getIndex(), this->m_rotateDegrees);
     }
 
+    /*
+     * Icon
+     */
+    QIcon CIcon::toQIcon() const
+    {
+        return QIcon(toPixmap());
+    }
+
     /*
      * Rotate
      */