proc.c: fix infinite loop
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46645 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
proc.c: fix infinite loop
iterations. [ruby-dev:48351] [Bug #10001]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46645 b2dd03c8-39d4-4d8f-98ff-823fe69b080e