Cleanup process_vm_writev syscall decoding
Cleanup process_vm_writev syscall decoding

* process_vm.c (sys_process_vm_writev): Do not check for syserror,
it is not applicable on entering syscall.

Infinitive-OS/platform_external_strace,bigzz/strace_android,Yu-AndroidM/android_external_strace,TeamExodus/external_strace,TeamExodus/external_strace,Distrotech/strace,Saruta/strace,YUPlayGodDev/platform_external_strace,geekboxzone/mmallow_external_strace,AOSP-YU/platform_external_strace,Distrotech/strace,kapdop/android_external_strace,AOSP-YU/platform_external_strace,YUPlayGodDev/platform_external_strace,cuviper/strace,cuviper/strace,vrastogi/strace,Distrotech/strace,bigzz/strace_android,Saruta/strace,vrastogi/strace,cuviper/strace,MonkeyZZZZ/platform_external_strace,geofft/strace,kapdop/android_external_strace,cuviper/strace,AOSP-YU/platform_external_strace,geofft/strace,geekboxzone/mmallow_external_strace,bigzz/strace_android,geofft/strace,Infinitive-OS/platform_external_strace,Distrotech/strace,vrastogi/strace,MonkeyZZZZ/platform_external_strace,geekboxzone/mmallow_external_strace,TeamExodus/external_strace,geofft/strace,Yu-AndroidM/android_external_strace,YUPlayGodDev/platform_external_strace,Yu-AndroidM/android_external_strace,YUPlayGodDev/platform_external_strace,Infinitive-OS/platform_external_strace,Distrotech/strace,Infinitive-OS/platform_external_strace,Saruta/strace,cuviper/strace,geofft/strace,vrastogi/strace,MonkeyZZZZ/platform_external_strace,MonkeyZZZZ/platform_external_strace,geekboxzone/mmallow_external_strace,Infinitive-OS/platform_external_strace,vrastogi/strace,Yu-AndroidM/android_external_strace,geekboxzone/mmallow_external_strace,Saruta/strace,TeamExodus/external_strace,kapdop/android_external_strace,Yu-AndroidM/android_external_strace,kapdop/android_external_strace,TeamExodus/external_strace,bigzz/strace_android,AOSP-YU/platform_external_strace,kapdop/android_external_strace,MonkeyZZZZ/platform_external_strace,YUPlayGodDev/platform_external_strace,Saruta/strace,AOSP-YU/platform_external_strace,bigzz/strace_android