Merge branch 'jc/sparse-error-for-developer-build'

"make DEVELOPER=1 sparse" used to run sparse and let it emit warnings; now such warnings will cause an error. * jc/sparse-error-for-developer-build: Makefile: enable -Wsparse-error for DEVELOPER build

Junio C Hamano committed Nov 18, 2020 at 13:32 UTC dfbc63da03f584fd4f281dfaffc1cec50e076289

No changes.