OF_FULLSCREEN has small bottom gap on Windows

[vonqo]

ofGLWindowSettings settings;
settings.setGLVersion(4, 1);
settings.setSize(1920, 1080); // Monitor has 1920x1080 display,
settings.windowMode = OF_FULLSCREEN;

auto window = ofCreateWindow(settings);
ofRunApp(window, make_shared<ofApp>());
ofRunMainLoop();

Application creates the gap between bottom of the screen and application window. Gap is around ~19px and i painted in red.