Fix another CMake CMP0071 warning
Summary:
CMake Warning (dev) in data/CMakeLists.txt: Policy CMP0071 is not set: Let AUTOMOC and AUTOUIC process GENERATED files. Run "cmake --help-policy CMP0071" for policy details. Use the cmake_policy command to set the policy and suppress this warning. For compatibility, CMake is excluding the GENERATED source file(s): "/home/kfunk/devel/src/kf5/syntax-highlighting/build/data/qrc_syntax-data.cpp"
Reviewers: mlaurent, dfaure
Reviewed By: dfaure
Subscribers: Frameworks
Tags: Frameworks
Differential Revision: https://phabricator.kde.org/D9321