thread*.c: avoid unnecessary initialization for list_for_each_safe
According to r52446, it is only necessary for the current item (@i), not the @nxt parameter for list_for_each_safe.
@nxt
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64486 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
thread*.c: avoid unnecessary initialization for list_for_each_safe
According to r52446, it is only necessary for the current item (@i),
not the
@nxtparameter for list_for_each_safe.git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64486 b2dd03c8-39d4-4d8f-98ff-823fe69b080e