message: Fix compilation errors with glib2
diff: @@ -6,6 +6,7 @@ SET(SEAFILE_CLIENT_VERSION_MINOR 0)
  SET(SEAFILE_CLIENT_VERSION_PATCH 2)
  SET(PROJECT_VERSION "${SEAFILE_CLIENT_VERSION_MAJOR}.${SEAFILE_CLIENT_VERSION_MINOR}.${SEAFILE_CLIENT_VERSION_PATCH}")
  ADD_DEFINITIONS(-DSEAFILE_CLIENT_VERSION=${PROJECT_VERSION})
  +ADD_DEFINITIONS(-DGLIB_VERSION_MIN_REQUIRED=GLIB_VERSION_2_26)
  INCLUDE(FindPkgConfig)
  ## Build crash repoter on release build as default
  