cairo-util: Set geometry_dirty in frame_set_title
cairo-util: Set geometry_dirty in frame_set_title

Title can decide the geometry of a frame because it may affect the
existence of titlebar, so setting geometry_dirty in frame_set_title for
potential change.

Signed-off-by: Boyan Ding <53c2f6a61c0fa7f115ecc08b03fdb6b52482ccbc@126.com>

Tarnyko/weston-xdg_surface_present,giucam/weston,Fantu/compositor-spice,krezovic/weston,jonnylamb/weston,kwm81/weston,eyolfson/weston,kwm81/weston,xorgy/weston,eyolfson/weston,Fantu/compositor-spice,udoprog/weston,sir-murray/weston,Gnurou/weston,udoprog/weston,giucam/weston,krezovic/weston,xorgy/weston,sir-murray/weston,mchalupa/weston,mchalupa/weston,Tarnyko/weston-xdg_surface_present,Fantu/compositor-spice,Gnurou/weston,jonnylamb/weston