* gnu/packages/games.scm (higan): Use semi-official repository at GitLab
(using hotfix tag 098b which is equivalent to official release 098).
Add a patch to remove the build flag -march=native. Set profile to
balanced.
* gnu/packages/patches/higan-remove-march-native-flag.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
