multimedia/xine: update to 0.99.12

ChangeLog:

• Make XLockDisplay use user switchable.
• Faster seek.
• Optimize text rendering.
• Add utf pixmap support.
• Add animated logo.
• Update splash.
• Fix build with libxine <= 1.2.9.

While here:

• Simplify patching. patch choked with:

patch: **** misordered hunks! output would be garbled

• Add license file
• Switch to USES=localbase

Reported by: portscout