Fix unintended renaming of QCStringList in convert_existing_qt3_app_to_tqt3 script

qt3-tqt3/convert_existing_qt3_app_to_tqt3

@@ -22,6 +22,7 @@ find ./ -type f -iname "*" -not -iwholename '*.git*' -print0 |\
 xargs -r0 sed -i \
  -e 's/TQ_OBJECT/Q_OBJECT/g' \
  -e 's/TQT_/QT_/g' \
+ -e 's/TQCStringList/QCStringList/g' \
  -e 's/TQMAKE/QMAKE/g' \
  -e 's/TQTDIR/QTDIR/g' \
  -e 's/OBLITQUE/OBLIQUE/g' \