Merge branch 'ef/setenv-putenv' into maint

* ef/setenv-putenv: compat/setenv.c: error if name contains '=' compat/setenv.c: update errno when erroring out

Junio C Hamano committed Dec 28, 2011 at 11:42 UTC e8f6b51a6bcc904b8a5fed831f718c3f9ed7ef34

No changes.