epoll_ctl: fix EPOLL_CTL_DEL argument decoding
epoll_ctl: fix EPOLL_CTL_DEL argument decoding

* desc.c (sys_epoll_ctl): Do not parse the event structure for
EPOLL_CTL_DEL operation.

Reported-by: Марк Коренберг <7f56c838a898bda3cf23c7941e3b8d34d94abb18@gmail.com>

vrastogi/strace,CyanogenMod/android_external_strace,Saruta/strace,bigzz/strace_android,geofft/strace,Infinitive-OS/platform_external_strace,geekboxzone/mmallow_external_strace,MonkeyZZZZ/platform_external_strace,lkundrak/strace,Infinitive-OS/platform_external_strace,Saruta/strace,AOSP-YU/platform_external_strace,YUPlayGodDev/platform_external_strace,lkundrak/strace,Infinitive-OS/platform_external_strace,kapdop/android_external_strace,cuviper/strace,TeamExodus/external_strace,AOSP-YU/platform_external_strace,TeamExodus/external_strace,vrastogi/strace,geekboxzone/lollipop_external_strace,bnoordhuis/strace,AOSP-YU/platform_external_strace,cuviper/strace,MonkeyZZZZ/platform_external_strace,geofft/strace,geekboxzone/lollipop_external_strace,YUPlayGodDev/platform_external_strace,pombredanne/strace,lkundrak/strace,cuviper/strace,Infinitive-OS/platform_external_strace,DirtyUnicorns/android_external_strace,Yu-AndroidM/android_external_strace,Yu-AndroidM/android_external_strace,android-ia/platform_external_strace,CyanogenMod/android_external_strace,vrastogi/strace,Distrotech/strace,xin3liang/platform_external_strace,xin3liang/platform_external_strace,Yu-AndroidM/android_external_strace,android-ia/platform_external_strace,CyanogenMod/android_external_strace,YUPlayGodDev/platform_external_strace,Saruta/strace,geofft/strace,bnoordhuis/strace,Distrotech/strace,bnoordhuis/strace,YUPlayGodDev/platform_external_strace,Saruta/strace,geekboxzone/mmallow_external_strace,YUPlayGodDev/platform_external_strace,MonkeyZZZZ/platform_external_strace,lkundrak/strace,android-ia/platform_external_strace,bigzz/strace_android,MonkeyZZZZ/platform_external_strace,MonkeyZZZZ/platform_external_strace,DirtyUnicorns/android_external_strace,Distrotech/strace,xin3liang/platform_external_strace,pombredanne/strace,bigzz/strace_android,geofft/strace,kapdop/android_external_strace,geofft/strace,xin3liang/platform_external_strace,DirtyUnicorns/android_external_strace,cuviper/strace,vrastogi/strace,Infinitive-OS/platform_external_strace,Saruta/strace,cuviper/strace,pombredanne/strace,bigzz/strace_android,TeamExodus/external_strace,Yu-AndroidM/android_external_strace,CyanogenMod/android_external_strace,Yu-AndroidM/android_external_strace,Distrotech/strace,geekboxzone/lollipop_external_strace,AOSP-YU/platform_external_strace,pombredanne/strace,geekboxzone/mmallow_external_strace,geekboxzone/mmallow_external_strace,geekboxzone/mmallow_external_strace,vrastogi/strace,kapdop/android_external_strace,DirtyUnicorns/android_external_strace,kapdop/android_external_strace,bnoordhuis/strace,Distrotech/strace,TeamExodus/external_strace,android-ia/platform_external_strace,CyanogenMod/android_external_strace,AOSP-YU/platform_external_strace,geekboxzone/lollipop_external_strace,bigzz/strace_android,TeamExodus/external_strace,DirtyUnicorns/android_external_strace,android-ia/platform_external_strace,geekboxzone/lollipop_external_strace,kapdop/android_external_strace