Fix spacing in Source module

Author: cyrus-and

.gdbinit

@@ -1227,7 +1227,7 @@ class Source(Dashboard.Module):
                 # the current line has a different style without ANSI
                 if R.ansi:
                     if self.highlighted and not self.highlight_line:
-                        line_format = '{}' + ansi(number_format, R.style_selected_1) + ' {}'
+                        line_format = '{}' + ansi(number_format, R.style_selected_1) + '  {}'
                     else:
                         line_format = '{}' + ansi(number_format + '  {}', R.style_selected_1)
                 else: