Temporary revert "process.c: dead code when no SIGCHLD"
This reverts commit r64407. Maybe it breaks http://mswinci.japaneast.cloudapp.azure.com/vc12-x64/ruby-trunk/log/20180817T095734Z.fail.html.gz
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64447 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Temporary revert "process.c: dead code when no SIGCHLD"
This reverts commit r64407.
Maybe it breaks http://mswinci.japaneast.cloudapp.azure.com/vc12-x64/ruby-trunk/log/20180817T095734Z.fail.html.gz
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64447 b2dd03c8-39d4-4d8f-98ff-823fe69b080e