FindProtobuf: Fix protoc include path regression
This was accidentally broken by !8601 (merged).
Fixes: #25368 (closed)
Backport: release
Topic-rename: FindProtobuf-restore-protoc-include-path
Edited by Brad King
This was accidentally broken by !8601 (merged).
Fixes: #25368 (closed)
Backport: release
Topic-rename: FindProtobuf-restore-protoc-include-path