(struct cursor): Clarify meaning of "rbs_curr" member.
(struct cursor): Clarify meaning of "rbs_curr" member.

(Logical change 1.259)

adsharma/libunwind,rogwfu/libunwind,krytarowski/libunwind,DroidSim/platform_external_libunwind,cms-externals/libunwind,dropbox/libunwind,project-zerus/libunwind,zliu2014/libunwind-tilegx,bo-on-software/libunwind,zeldin/platform_external_libunwind,cms-externals/libunwind,geekboxzone/mmallow_external_libunwind,Keno/libunwind,maltek/platform_external_libunwind,krytarowski/libunwind,wdv4758h/libunwind,bo-on-software/libunwind,adsharma/libunwind,android-ia/platform_external_libunwind,geekboxzone/lollipop_external_libunwind,bo-on-software/libunwind,fillexen/libunwind,atanasyan/libunwind,rantala/libunwind,atanasyan/libunwind,DroidSim/platform_external_libunwind,project-zerus/libunwind,vegard/libunwind,ehsan/libunwind,rogwfu/libunwind,evaautomation/libunwind,djwatson/libunwind,frida/libunwind,geekboxzone/lollipop_external_libunwind,martyone/libunwind,wdv4758h/libunwind,geekboxzone/lollipop_external_libunwind,vegard/libunwind,ehsan/libunwind,frida/libunwind,cms-externals/libunwind,djwatson/libunwind,martyone/libunwind,fdoray/libunwind,tronical/libunwind,jrmuizel/libunwind,unkadoug/libunwind,joyent/libunwind,atanasyan/libunwind,fdoray/libunwind,androidarmv6/android_external_libunwind,vtjnash/libunwind,geekboxzone/mmallow_external_libunwind,tony/libunwind,cloudius-systems/libunwind,SyndicateRogue/libunwind,olibc/libunwind,igprof/libunwind,SyndicateRogue/libunwind,vtjnash/libunwind,fdoray/libunwind,igprof/libunwind,tony/libunwind,android-ia/platform_external_libunwind,joyent/libunwind,vtjnash/libunwind,dreal-deps/libunwind,igprof/libunwind,yuyichao/libunwind,vegard/libunwind,mpercy/libunwind,Keno/libunwind,yuyichao/libunwind,fillexen/libunwind,lat/libunwind,Chilledheart/libunwind,rntz/libunwind,rntz/libunwind,jrmuizel/libunwind,tronical/libunwind,tkelman/libunwind,geekboxzone/mmallow_external_libunwind,Chilledheart/libunwind,rntz/libunwind,tony/libunwind,frida/libunwind,dagar/libunwind,adsharma/libunwind,CyanogenMod/android_external_libunwind,libunwind/libunwind,fillexen/libunwind,dreal-deps/libunwind,dagar/libunwind,lat/libunwind,zliu2014/libunwind-tilegx,djwatson/libunwind,cloudius-systems/libunwind,Keno/libunwind,joyent/libunwind,dropbox/libunwind,olibc/libunwind,pathscale/libunwind,maltek/platform_external_libunwind,zeldin/platform_external_libunwind,androidarmv6/android_external_libunwind,pathscale/libunwind,0xlab/0xdroid-external_libunwind,tkelman/libunwind,zliu2014/libunwind-tilegx,libunwind/libunwind,maltek/platform_external_libunwind,evaautomation/libunwind,dagar/libunwind,olibc/libunwind,jrmuizel/libunwind,mpercy/libunwind,tronical/libunwind,androidarmv6/android_external_libunwind,unkadoug/libunwind,pathscale/libunwind,CyanogenMod/android_external_libunwind,tkelman/libunwind,atanasyan/libunwind-android,0xlab/0xdroid-external_libunwind,dreal-deps/libunwind,project-zerus/libunwind,ehsan/libunwind,CyanogenMod/android_external_libunwind,wdv4758h/libunwind,krytarowski/libunwind,rantala/libunwind,0xlab/0xdroid-external_libunwind,evaautomation/libunwind,Chilledheart/libunwind,DroidSim/platform_external_libunwind,cloudius-systems/libunwind,atanasyan/libunwind-android,dropbox/libunwind,libunwind/libunwind,unkadoug/libunwind,rogwfu/libunwind,mpercy/libunwind,zeldin/platform_external_libunwind,martyone/libunwind,rantala/libunwind,yuyichao/libunwind,atanasyan/libunwind-android,lat/libunwind,SyndicateRogue/libunwind,android-ia/platform_external_libunwind