Fix follow fork/vfork on Linux ARM OABI
Fix follow fork/vfork on Linux ARM OABI

__NR_SYSCALL_BASE eis 0 for EABI and is 0x900000 for OABI.
* process (change_syscall) [LINUX && ARM]: Mask off the high order bits
when changing syscall.

Signed-off-by: Steve Bennett <efe92b1a55c3d64d903ecee9d602a2db10915477@workware.net.au>
Reviewed-by: Kirill A. Shutemov <9b153e80bc985b32d577460a8a24e398d4182978@shutemov.name>

bigzz/strace_android,jamel/strace-plus,geekboxzone/lollipop_external_strace,MonkeyZZZZ/platform_external_strace,bnoordhuis/strace,lizh06/strace-plus,lkundrak/strace,vrastogi/strace,max630/strace,AOSP-YU/platform_external_strace,DirtyUnicorns/android_external_strace,Yu-AndroidM/android_external_strace,AOSP-YU/platform_external_strace,pombredanne/strace,Distrotech/strace,vrastogi/strace,android-ia/platform_external_strace,dmullis/strace-ext,MonkeyZZZZ/platform_external_strace,TeamExodus/external_strace,cuviper/strace,gcode-mirror/strace-plus,android-ia/platform_external_strace,cuviper/strace,dmullis/strace-ext,timmattison/strace-arm,pombredanne/strace,MonkeyZZZZ/platform_external_strace,Infinitive-OS/platform_external_strace,DirtyUnicorns/android_external_strace,lizh06/strace-plus,AOSP-YU/platform_external_strace,CyanogenMod/android_external_strace,geekboxzone/mmallow_external_strace,geofft/strace,TeamExodus/external_strace,bigzz/strace_android,AOSP-YU/platform_external_strace,Yu-AndroidM/android_external_strace,gcode-mirror/strace-plus,kapdop/android_external_strace,jamel/strace-plus,Distrotech/strace,xin3liang/platform_external_strace,vrastogi/strace,jamel/strace-plus,cuviper/strace,Andrey9kin/revisor,lkundrak/strace,Andrey9kin/revisor,CyanogenMod/android_external_strace,cuviper/strace,geekboxzone/mmallow_external_strace,geekboxzone/mmallow_external_strace,jamel/strace-plus,DirtyUnicorns/android_external_strace,max630/strace,pgbovine/strace-plus,Distrotech/strace,dmullis/strace-ext,Infinitive-OS/platform_external_strace,vrastogi/strace,Distrotech/strace,vrastogi/strace,lizh06/strace-plus,Saruta/strace,dmullis/strace-ext,pgbovine/strace-plus,max630/strace,bigzz/strace_android,Yu-AndroidM/android_external_strace,xin3liang/platform_external_strace,lkundrak/strace,pgbovine/strace-plus,geekboxzone/lollipop_external_strace,Distrotech/strace,TeamExodus/external_strace,hjl-tools/strace,CyanogenMod/android_external_strace,YUPlayGodDev/platform_external_strace,xin3liang/platform_external_strace,Yu-AndroidM/android_external_strace,android-ia/platform_external_strace,Yu-AndroidM/android_external_strace,gcode-mirror/strace-plus,lizh06/strace-plus,kapdop/android_external_strace,TeamExodus/external_strace,Infinitive-OS/platform_external_strace,YUPlayGodDev/platform_external_strace,MonkeyZZZZ/platform_external_strace,Saruta/strace,geekboxzone/lollipop_external_strace,bigzz/strace_android,geofft/strace,Andrey9kin/revisor,CyanogenMod/android_external_strace,Infinitive-OS/platform_external_strace,pgbovine/strace-plus,xin3liang/platform_external_strace,lkundrak/strace,geofft/strace,gcode-mirror/strace-plus,Andrey9kin/revisor,timmattison/strace-arm,dmullis/strace-ext,gcode-mirror/strace-plus,Saruta/strace,bnoordhuis/strace,pombredanne/strace,geekboxzone/lollipop_external_strace,kapdop/android_external_strace,geofft/strace,jamel/strace-plus,geekboxzone/mmallow_external_strace,cuviper/strace,geofft/strace,TeamExodus/external_strace,Saruta/strace,YUPlayGodDev/platform_external_strace,lizh06/strace-plus,DirtyUnicorns/android_external_strace,YUPlayGodDev/platform_external_strace,bnoordhuis/strace,Saruta/strace,pgbovine/strace-plus,kapdop/android_external_strace,pombredanne/strace,geekboxzone/lollipop_external_strace,geekboxzone/mmallow_external_strace,Infinitive-OS/platform_external_strace,bnoordhuis/strace,DirtyUnicorns/android_external_strace,kapdop/android_external_strace,hjl-tools/strace,bigzz/strace_android,AOSP-YU/platform_external_strace,android-ia/platform_external_strace,MonkeyZZZZ/platform_external_strace,CyanogenMod/android_external_strace,timmattison/strace-arm,YUPlayGodDev/platform_external_strace,android-ia/platform_external_strace,hjl-tools/strace