evdev: Avoid unintended case drop through
evdev: Avoid unintended case drop through

e->code is in the same range for ABS_ and for REL_. As the code currently
stands and for the current values in Linux's input.h there is no risk of a
problem. However just in case it would be wise to break after evaluating the
relative events.

Signed-off-by: Rob Bradford <7e09c9d3e96378bf549fc283fd6e1e5b7014cc33@linux.intel.com>

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