[Bug 2009001] [NEW] update of libmagickwand breaks profile.c

[makandra ops]

Public bug reported:

After the update of the package libmagickwand-6.q16-6 to
8:6.9.10.23+dfsg-2.1ubuntu11.5


```
$ mogrify -profile sRGB_v4_ICC_preference.icc -strip -set profile sRGB_v4_ICC_preference.icc test.png
mogrify: ../../magick/profile.c:1722: SetImageProfileInternal: Assertion `image->signature == MagickCoreSignature' failed.
Aborted
```

After downgrading the lib to 8:6.9.10.23+dfsg-2.1ubuntu11, the above
command works.

** Affects: imagemagick (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/2009001

Title:
  update of libmagickwand breaks profile.c

Status in imagemagick package in Ubuntu:
  New

Bug description:
  After the update of the package libmagickwand-6.q16-6 to
  8:6.9.10.23+dfsg-2.1ubuntu11.5

  
  ```
  $ mogrify -profile sRGB_v4_ICC_preference.icc -strip -set profile sRGB_v4_ICC_preference.icc test.png
  mogrify: ../../magick/profile.c:1722: SetImageProfileInternal: Assertion `image->signature == MagickCoreSignature' failed.
  Aborted
  ```

  After downgrading the lib to 8:6.9.10.23+dfsg-2.1ubuntu11, the above
  command works.

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