(_Uia64_search_unwind_table): Return a valid gp-value in the proc-info even when 	there is no other unwind-info.
(_Uia64_search_unwind_table): Return a valid gp-value in the proc-info even when
	there is no other unwind-info.

(Logical change 1.45)

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