Log Message:
ImageMagick: update to 7.1.0.19.

2021-12-22  7.1.0-19  <quetzlzacatenango@image...>
  * Release ImageMagick version 7.1.0-19 GIT revision 19456:d7f1b2b9b:20211222

2021-12-22  7.1.0-19  <quetzlzacatenango@image...>
  * support -integral option.
  * possible DoS for certain SVG constructs (reference
    https://github.com/ImageMagick/ImageMagick/issues/4626).

2021-12-18  7.1.0-18  <quetzlzacatenango@image...>
  * Release ImageMagick version 7.1.0-18 GIT revision 19447:6c7d62f7d:20211218

2021-12-11  7.1.0-18  <quetzlzacatenango@image...>
  * support face index for font collections, e.g. msgothic.ttc[1].

2021-12-11  7.1.0-18  Dirk Lemstra <dirk@lem.....org>
  * Improved adjustment of page offset when resizing an image.