cmake: Set HAVE_VIDEO_WAYLAND_QT_TOUCH if appropriate (thanks, Michael!).
diff --git a/cmake/sdlchecks.cmake b/cmake/sdlchecks.cmake
index 4c34ed4..022b844 100644
--- a/cmake/sdlchecks.cmake
+++ b/cmake/sdlchecks.cmake
@@ -633,6 +633,7 @@ macro(CheckWayland)
endforeach()
if(VIDEO_WAYLAND_QT_TOUCH)
+ set(HAVE_VIDEO_WAYLAND_QT_TOUCH TRUE)
set(SDL_VIDEO_DRIVER_WAYLAND_QT_TOUCH 1)
endif()