[www/h2o] r387352 (shebangfix) breaks quarterly build

[Dave Cottlehuber]

Evening,

The shebangfix applied in r387352 breaks the quarterly
branch as this file is not present until h2o 1.2.0.

Simple patch [1] seems correct but I'm not sure.
Does this need anything else from me to be reverted?

[1]: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=200685

—
  Dave Cottlehuber