Log Message:
Update to libXinerama-1.1.

1.1:
Just one more change, the requirement of xorg-macros 1.3.

1.0.99.1:
Most notable change the addition of Xinerama.h and panoramiXext.h.
Both files were previously part of xineramaproto and were moved here.
Requires xineramaproto 1.1.99.1 or higher.