gbenchmark: add darwin to platforms

Changed files
+1 -1
pkgs
development
libraries
gbenchmark
+1 -1
pkgs/development/libraries/gbenchmark/default.nix
···
description = "A microbenchmark support library";
homepage = https://github.com/google/benchmark;
license = licenses.asl20;
-
platforms = platforms.linux;
+
platforms = platforms.linux ++ platforms.darwin;
maintainers = with maintainers; [ abbradar ];
};
}