cont.c: fix syntax error
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64492 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
cont.c: fix syntax error
r64487, which caused syntax error on pre-C99 compilers.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64492 b2dd03c8-39d4-4d8f-98ff-823fe69b080e