Fix io_submit decoding
Fix io_submit decoding

* desc.c (print_common_flags, sys_io_submit): Add missing ", " to
SUB_COMMON output, remove extra ", " from SUB_VECTOR output.

lizh06/strace-plus,pombredanne/strace,YUPlayGodDev/platform_external_strace,kapdop/android_external_strace,Distrotech/strace,Yu-AndroidM/android_external_strace,geekboxzone/mmallow_external_strace,Infinitive-OS/platform_external_strace,lkundrak/strace,lizh06/strace-plus,bigzz/strace_android,YUPlayGodDev/platform_external_strace,lizh06/strace-plus,Yu-AndroidM/android_external_strace,CyanogenMod/android_external_strace,Saruta/strace,TeamExodus/external_strace,AOSP-YU/platform_external_strace,geekboxzone/lollipop_external_strace,kapdop/android_external_strace,Infinitive-OS/platform_external_strace,DirtyUnicorns/android_external_strace,DirtyUnicorns/android_external_strace,AOSP-YU/platform_external_strace,xin3liang/platform_external_strace,lkundrak/strace,MonkeyZZZZ/platform_external_strace,Distrotech/strace,vrastogi/strace,MonkeyZZZZ/platform_external_strace,bnoordhuis/strace,cuviper/strace,kapdop/android_external_strace,Infinitive-OS/platform_external_strace,jamel/strace-plus,vrastogi/strace,Distrotech/strace,TeamExodus/external_strace,Yu-AndroidM/android_external_strace,CyanogenMod/android_external_strace,pombredanne/strace,pgbovine/strace-plus,Infinitive-OS/platform_external_strace,geekboxzone/mmallow_external_strace,Distrotech/strace,bnoordhuis/strace,Saruta/strace,CyanogenMod/android_external_strace,geekboxzone/lollipop_external_strace,AOSP-YU/platform_external_strace,cuviper/strace,gcode-mirror/strace-plus,AOSP-YU/platform_external_strace,lizh06/strace-plus,geofft/strace,lkundrak/strace,kapdop/android_external_strace,DirtyUnicorns/android_external_strace,gcode-mirror/strace-plus,lizh06/strace-plus,MonkeyZZZZ/platform_external_strace,kapdop/android_external_strace,Distrotech/strace,pgbovine/strace-plus,gcode-mirror/strace-plus,CyanogenMod/android_external_strace,android-ia/platform_external_strace,cuviper/strace,android-ia/platform_external_strace,TeamExodus/external_strace,xin3liang/platform_external_strace,android-ia/platform_external_strace,Saruta/strace,vrastogi/strace,geekboxzone/mmallow_external_strace,bigzz/strace_android,YUPlayGodDev/platform_external_strace,cuviper/strace,xin3liang/platform_external_strace,pgbovine/strace-plus,jamel/strace-plus,MonkeyZZZZ/platform_external_strace,lkundrak/strace,bigzz/strace_android,TeamExodus/external_strace,geekboxzone/mmallow_external_strace,geekboxzone/lollipop_external_strace,AOSP-YU/platform_external_strace,YUPlayGodDev/platform_external_strace,bnoordhuis/strace,bigzz/strace_android,YUPlayGodDev/platform_external_strace,vrastogi/strace,jamel/strace-plus,Yu-AndroidM/android_external_strace,pgbovine/strace-plus,pgbovine/strace-plus,Infinitive-OS/platform_external_strace,gcode-mirror/strace-plus,pombredanne/strace,Yu-AndroidM/android_external_strace,jamel/strace-plus,bnoordhuis/strace,geofft/strace,Saruta/strace,geofft/strace,geekboxzone/lollipop_external_strace,TeamExodus/external_strace,jamel/strace-plus,DirtyUnicorns/android_external_strace,CyanogenMod/android_external_strace,pombredanne/strace,geofft/strace,MonkeyZZZZ/platform_external_strace,android-ia/platform_external_strace,gcode-mirror/strace-plus,android-ia/platform_external_strace,geekboxzone/lollipop_external_strace,cuviper/strace,bigzz/strace_android,geekboxzone/mmallow_external_strace,DirtyUnicorns/android_external_strace,geofft/strace,xin3liang/platform_external_strace,Saruta/strace,vrastogi/strace