Fix the wrong path for dbus service file.

Author: wengxt

src/modules/dbus/CMakeLists.txt

@@ -7,4 +7,4 @@ install(FILES "${CMAKE_CURRENT_BINARY_DIR}/dbus.conf" DESTINATION "${FCITX_INSTA
 fcitx5_export_module(DBus TARGET dbus BUILD_INCLUDE_DIRECTORIES "${CMAKE_CURRENT_SOURCE_DIR}" HEADERS dbus_public.h INSTALL)
 
 configure_file("${CMAKE_CURRENT_SOURCE_DIR}/org.fcitx.Fcitx5.service.in" "${CMAKE_CURRENT_BINARY_DIR}/org.fcitx.Fcitx5.service" @ONLY)
-install(FILES "${CMAKE_CURRENT_BINARY_DIR}/org.fcitx.Fcitx5.service" DESTINATION "${CMAKE_INSTALL_DATADIR}/dbus-1/service")
+install(FILES "${CMAKE_CURRENT_BINARY_DIR}/org.fcitx.Fcitx5.service" DESTINATION "${CMAKE_INSTALL_DATADIR}/dbus-1/services")