Fix String#chomp wrong check for separator type
Fix String#chomp wrong check for separator type

fazibear/opal,opal/opal,suyesh/opal,Flikofbluelight747/opal,Mogztter/opal,Mogztter/opal,kachick/opal,bbatsov/opal,fazibear/opal,opal/opal,wied03/opal,bbatsov/opal,gabrielrios/opal,kachick/opal,Ajedi32/opal,wied03/opal,kachick/opal,Ajedi32/opal,castwide/opal,iliabylich/opal,suyesh/opal,merongivian/opal,catprintlabs/opal,fazibear/opal,domgetter/opal,jgaskins/opal,Mogztter/opal,kachick/opal,c42engineering/opal,gabrielrios/opal,gausie/opal,castwide/opal,c42engineering/opal,catprintlabs/opal,suyesh/opal,jgaskins/opal,merongivian/opal,jannishuebl/opal,gabrielrios/opal,Mogztter/opal,Flikofbluelight747/opal,gausie/opal,jannishuebl/opal,jgaskins/opal,catprintlabs/opal,domgetter/opal,castwide/opal,opal/opal,iliabylich/opal,c42engineering/opal,merongivian/opal,jannishuebl/opal,opal/opal,bbatsov/opal,gausie/opal,iliabylich/opal,Flikofbluelight747/opal,wied03/opal,Ajedi32/opal