• Fix shebangs
• Bump PORTREVISION

Error: '/usr/bin/env python' is an invalid shebang you need USES=shebangfix for 'lib/libxul/sdk/bin/xpidl.py'
Error: '/usr/bin/env python' is an invalid shebang you need USES=shebangfix for 'lib/libxul/sdk/bin/xpt.py'

PR: 219533
Submitted by: cpm
Approved by: jbeich (gecko)