uloop events: clean callback
Could fix possible memcpy crash: 0 congruent_aligned32 () at src/string/arm/memcpy.S:158 1 0xf7a6aef0 in bcmwl_recv_event (ifname=, evhandle=0x1) at modules/broadcom/wlctrl.c:3909 2 0x2a0c5a34 in ?? ()
Could fix possible memcpy crash: 0 congruent_aligned32 () at src/string/arm/memcpy.S:158 1 0xf7a6aef0 in bcmwl_recv_event (ifname=, evhandle=0x1) at modules/broadcom/wlctrl.c:3909 2 0x2a0c5a34 in ?? ()