message: Fixed building rectangle.cc for testing
diff: @@ -301,6 +301,9 @@ build/timeline_event.o: src/timeline_event.cc
  build/context.o: src/context.cc
  $(cxx) $(cflags) -c src/context.cc -o build/context.o
  +build/rectangle.o: src/rectangle.cc
  + $(cxx) $(cflags) -c src/rectangle.cc -o build/rectangle.o
  +
  build/settings.o: src/settings.cc
  $(cxx) $(cflags) -c src/settings.cc -o build/settings.o
  @@ -365,6 +368,7 @@ objects: build/jsoncpp.o \
  build/timeline_event.o \
  build/migrations.o \
  build/context.o \
  + build/rectangle.o \
  build/toggl_api_private.o \
  build/toggl_api.o \
  build/get_focused_window_$(osname).o \
  