Fix FTBFS

(cherry picked from commit 118d0454ec)

kde.py

@@ -418,6 +418,7 @@ ie: """+BOLD+"""scons configure libdir=/usr/local/lib qtincludes=/usr/include/qt
 		('QTDIR', 'root of qt directory'),
 		('QTLIBPATH', 'path to the qt libraries'),
 		('QTINCLUDEPATH', 'path to the qt includes'),
+		('TQTINCLUDEPATH', 'path to the tqt includes'),
 		('QT_UIC', 'moc directory'),
 		('QT_MOC', 'moc executable command'),
 		('QTPLUGINS', 'uic executable command'),