geos/5.1.0+2.1.0

This release has a minor CMake change moving from the non-standard fms_r8 target to FMS::fms_r8

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What's Changed

• Update FMS CMake target by @mathomp4 in #21

Full Changelog: geos/5.1.0+2.0.0...geos/5.1.0+2.1.0