* Writing histograms / mpeg working again.
* The -linear-stretch option worked for Q16 but not Q32.
- update to 6.9.0-7
* Line strokes appeared too thin.
* Keep text in caption area.
* A transient bug for the write MSL element.
* Fixed infinite loop in HDR reader.
* In the PNG codec, check status wherever a function returns it.
* Check lengths of certain MNG chunks before reading them.
* Small optimization to pixel cache.
* Additional coder sanity checks.
etc. see ChangeLog
OBS-URL: https://build.opensuse.org/package/show/graphics/ImageMagick?expand=0&rev=230
