There's a merged pull request on the void-packages repository

freerdp: add configure flag for cairo
https://github.com/void-linux/void-packages/pull/38329

Description:
the flag defaults to OFF even though cairo-devel was added as a makedep.

closes #38328

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#### Testing the changes
- I tested the changes in this PR: **briefly**
     https://github.com/void-linux/void-packages/issues/38328#issuecomment-1197796758