(sos_alloc): Drop type-cast-avoiding union.  If we really need it, 	it should be done by cmpxchg_ptr().
(sos_alloc): Drop type-cast-avoiding union.  If we really need it,
	it should be done by cmpxchg_ptr().

(Logical change 1.138)

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