Try loading possible versions of library.  Fix #44
Add '-6.Q16' suffix

Because Arch Linux is using yet another suffix.

https://www.archlinux.org/packages/extra/i686/imagemagick/
Changelog for cherry-picked commits

cbc595c71527c8e425f7c25387784e0cf62576e3:
93a079b90d9d4ffe62c369f5bae4b0deebc8a6c0

8ef3c443dd6103981b3b32674020e4b7d7106acf:
3e4bee8cf0aa9d77c07a9841a1a72d8a2947a9bd