Add space to rprompt
Add space to rprompt

According to tcsh documentation `%{%}` must not be the last segment.

Note: this means that right prompt has *two* characters between its end and 
terminal emulator border.
xxxhycl2010/powerline,magus424/powerline,firebitsbr/powerline,EricSB/powerline,russellb/powerline,seanfisk/powerline,darac/powerline,s0undt3ch/powerline,dragon788/powerline,magus424/powerline,wfscheper/powerline,russellb/powerline,QuLogic/powerline,blindFS/powerline,dragon788/powerline,bartvm/powerline,EricSB/powerline,Liangjianghao/powerline,firebitsbr/powerline,seanfisk/powerline,DoctorJellyface/powerline,xxxhycl2010/powerline,S0lll0s/powerline,Liangjianghao/powerline,kenrachynski/powerline,lukw00/powerline,IvanAli/powerline,prvnkumar/powerline,prvnkumar/powerline,lukw00/powerline,IvanAli/powerline,bartvm/powerline,firebitsbr/powerline,blindFS/powerline,areteix/powerline,IvanAli/powerline,kenrachynski/powerline,lukw00/powerline,bartvm/powerline,xxxhycl2010/powerline,Luffin/powerline,areteix/powerline,junix/powerline,Liangjianghao/powerline,dragon788/powerline,seanfisk/powerline,bezhermoso/powerline,S0lll0s/powerline,junix/powerline,cyrixhero/powerline,DoctorJellyface/powerline,QuLogic/powerline,junix/powerline,areteix/powerline,darac/powerline,Luffin/powerline,darac/powerline,bezhermoso/powerline,kenrachynski/powerline,xfumihiro/powerline,cyrixhero/powerline,wfscheper/powerline,s0undt3ch/powerline,magus424/powerline,DoctorJellyface/powerline,russellb/powerline,S0lll0s/powerline,wfscheper/powerline,keelerm84/powerline,prvnkumar/powerline,Luffin/powerline,QuLogic/powerline,s0undt3ch/powerline,EricSB/powerline,blindFS/powerline,xfumihiro/powerline,xfumihiro/powerline,bezhermoso/powerline,cyrixhero/powerline,keelerm84/powerline