[ruby/reline] Remove loose operation in Dialog#render_each_dialog

https://github.com/ruby/reline/commit/a6d1c917ce
2022-02-22 08:47:20 -03:00 · 2022-02-22 08:47:20 -03:00 · 941e9be0d9
--- a/lib/reline/line_editor.rb
+++ b/lib/reline/line_editor.rb
@ -758,7 +758,6 @@ class Reline::LineEditor
          @output.write @full_block
        elsif dialog.scrollbar_pos <= (i * 2) and (i * 2) < (dialog.scrollbar_pos + bar_height)
          @output.write @upper_half_block
-          str += ''
        elsif dialog.scrollbar_pos <= (i * 2 + 1) and (i * 2) < (dialog.scrollbar_pos + bar_height)
          @output.write @lower_half_block
        else