package/cog: add patch fixing cog segfault

Fixes:
Thread 1 "cog" received signal SIGSEGV, Segmentation fault.
xkb_state_update_mask (state=0x0, base_mods=0, latched_mods=0, locked_mods=0, base_group=base_group@entry=0, latched_group=latched_group@entry=0, locked_group=0) at ../src/state.c:814
814	    prev_components = state->components;

Signed-off-by: James Hilliard <james.hilliard1@gmail.com>
Acked-by: Adrian Perez de Castro <aperez@igalia.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>