avoid overwriting token.indent in lexer.getNumber
avoid overwriting token.indent in lexer.getNumber

if it wasn't for bug #3978, assignment from getNumber would overwrite
tok.indent (which is set at top of rawGetTok, but not in getNumber)

zachaysan/Nim,dom96/Nim,russpowers/Nim,dom96/Nim,zachaysan/Nim,endragor/Nim,jfhg/Nim,jfhg/Nim,mbaulch/Nim,jfhg/Nim,zachaysan/Nim,singularperturbation/Nim,tulayang/Nim,endragor/Nim,zachaysan/Nim,singularperturbation/Nim,russpowers/Nim,mbaulch/Nim,singularperturbation/Nim,haiodo/Nim,endragor/Nim,endragor/Nim,jfhg/Nim,haiodo/Nim,tulayang/Nim,zachaysan/Nim,dom96/Nim,haiodo/Nim,mbaulch/Nim,endragor/Nim,singularperturbation/Nim,endragor/Nim,mbaulch/Nim,tulayang/Nim,zachaysan/Nim,jsanjuas/Nim,dom96/Nim,endragor/Nim,jsanjuas/Nim,haiodo/Nim,russpowers/Nim,dom96/Nim,russpowers/Nim,singularperturbation/Nim,jsanjuas/Nim,tulayang/Nim,russpowers/Nim,jfhg/Nim,haiodo/Nim,haiodo/Nim,dom96/Nim,dom96/Nim,mbaulch/Nim,russpowers/Nim,zachaysan/Nim,singularperturbation/Nim,jsanjuas/Nim,tulayang/Nim,jfhg/Nim,haiodo/Nim,mbaulch/Nim,jsanjuas/Nim,mbaulch/Nim,jfhg/Nim,tulayang/Nim,singularperturbation/Nim,russpowers/Nim,jsanjuas/Nim,jsanjuas/Nim