There is a new pull request by oreo639 against master on the void-packages repository

https://github.com/oreo639/void-packages srb2
https://github.com/void-linux/void-packages/pull/39089

srb2: fix build with latest xbps-src
This fixes a build failure introduced by:
https://github.com/void-linux/void-packages/commit/e14cf6cc7a85fcde7fb3fdb2cdba117bede8bb19

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#### Testing the changes
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A patch file from https://github.com/void-linux/void-packages/pull/39089.patch is attached