Lots of things require QMap, no longer implicitly included.

--- a/libchoqok/plugin.h
+++ b/libchoqok/plugin.h
@@ -25,6 +25,7 @@
 #define CHOQOKPLUGIN_H
 
 #include <QObject>
+#include <QMap>
 
 #include <KXMLGUIClient>
 
