remove some ifdefs, otherwise Qt can't create SLOT

Change-Id: I2642b832d57ef494dec59518dbb348eb19ea0de8
diff --git a/gui/chronosharegui.h b/gui/chronosharegui.h
index 6497d5f..fffaca7 100644
--- a/gui/chronosharegui.h
+++ b/gui/chronosharegui.h
@@ -83,9 +83,8 @@
 
   // click on adhoc button
   void onAdHocChange (bool state); // cannot be protected with #ifdef. otherwise something fishy with QT
-#ifdef SPARKLE_SUPPORTED
+
   void onCheckForUpdates();
-#endif
 
 private:
   void checkFileAction(const std::string &, int, int);