Log Message:
ImageMagick: update to 7.0.8.46.

2019-05-14  7.0.8-46 Cristy  <quetzlzacatenango@image...>
  * Release ImageMagick version 7.0.8-46, GIT revision 15655:84dd3301c:20190518

2019-05-14  7.0.8-46 Cristy  <quetzlzacatenango@image...>
  * PerlMagick unit tests pass again.
  * Builds under MacOS X and FreeBSD works again.
  * Return HEIC images in the sRGB colorspace.

2019-05-12  7.0.8-45 Cristy  <quetzlzacatenango@image...>
  * Release ImageMagick version 7.0.8-45, GIT revision 15634:784105bcb:20190512

2019-05-06  7.0.8-45 Cristy  <quetzlzacatenango@image...>
  * Fix image signatures to ensure they are Q-depth invariant (reference
    https://imagemagick.org/discourse-server/viewtopic.php?f=1&t=35970).
  * Fixed a number of issues (reference
    https://imagemagick.org/discourse-server/viewforum.php?f=3).
  * Fixed a number of issues (reference
    https://github.com/ImageMagick/ImageMagick/issues).

2019-05-03  7.0.8-44 Cristy  <quetzlzacatenango@image...>
  * Release ImageMagick version 7.0.8-44, GIT revision 15600:41f47759a:20190503

2019-05-03  7.0.8-44 Cristy  <quetzlzacatenango@image...>
  * Fixed a number of issues (reference
    https://imagemagick.org/discourse-server/viewforum.php?f=3).
  * Fixed a number of issues (reference
    https://github.com/ImageMagick/ImageMagick/issues).

2019-05-01  7.0.8-43 Cristy  <quetzlzacatenango@image...>
  * Release ImageMagick version 7.0.8-43, GIT revision 15595:0062cef74:20190502

2019-05-01  7.0.8-43 Cristy  <quetzlzacatenango@image...>
  * Fixed a number of issues (reference
    https://imagemagick.org/discourse-server/viewforum.php?f=3).
  * Fixed a number of issues (reference
    https://github.com/ImageMagick/ImageMagick/issues).