Hans-Christoph Steiner c7dcb92a20 make SeekBarPreference format summary text in a standard way
I fixed it by using the same style as a standard preference:
* the summary text size was a bit too large
* the summary text should be allowed to wrap

closes #1450
2018-07-12 17:52:16 +02:00
..
2018-06-27 23:22:03 +02:00