Security update for ImageMagick

This update for ImageMagick fixes the following issues:

Security issues fixed:

- CVE-2018-18544: Fixed memory leak in the function WriteMSLImage (bsc#1113064).

Non-security issues fixed:

- Improve import documentation (bsc#1057246).
- Allow override system security policy (bsc#1117463).
- asan_build: build ASAN included
- debug_build: build more suitable for debugging

This update was imported from the SUSE:SLE-12:Update update project.

Fixed bugs
bnc#1113064
VUL-1: CVE-2018-18544: ImageMagick: There is a memory leak in the function WriteMSLImage of coders/msl.c in ImageMagick 7.0.8-13 Q16.
bnc#1117463
VUL-1: CVE-2018-19492: gnuplot: an attacker can conduct a buffer overflow with an arbitrary amount of data in the cairotrm_options function
bnc#1057246
imagemagick import(1) man page not helpful
Selected Binaries
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