Fix sigreturn decoding on MIPS
Fix sigreturn decoding on MIPS

The "return 0" line was accidentally deleted circa 2007,
which made sigreturn on MIPS always display "= 0" return
instead of more informative " = ? (mask now [MASK])".

* strace.c (sys_sigreturn): Add wrongly deleted "return 0" line

Signed-off-by: Denys Vlasenko <50fbbd36fe0f9c8261d4a3c762c8c29ffb35e48f@redhat.com>

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