Diffusion Krita 09821811fbf7

Revert "Switch cmake CMP0002 NEW: no duplicate targets"

Authored by rempt on Oct 20 2016, 9:10 AM.

Description

Revert "Switch cmake CMP0002 NEW: no duplicate targets"

This reverts commit 6bde0748875f84ecaea7db27ec90606ba7b25340.

This is best kept locally until all issues are fixed, otherwise
the build is broken for everyone.

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