libXv: update to 1.0.12.

Alan Coopersmith (9):
      Update README for gitlab migration
      Update configure.ac bug URL for gitlab migration
      Build xz tarballs instead of bzip2
      Fix spelling/wording issues
      gitlab CI: add a basic build test
      XvGetReq: remove trailing semicolon that caller is expected to provide
      Variable scope reductions
      Handle implicit conversion warnings from clang
      libXv 1.0.12

Emil Velikov (1):
      autogen.sh: use quoted string variables

Mihail Konev (1):
      autogen: add default patch prefix

Peter Hutterer (1):
      autogen.sh: use exec instead of waiting for configure to finish

(wiz)