(trivial) [v2] dix: unexport functions from dixgrabs.h
- moving out the private functions from dixgrabs.h into dixgrabs_priv.h
- unexport functions not used by external modules/drivers
- drop the now unused dixgrabs.h from modul api (not used anywhere)
Changes v2:
- resolved conflicts
- make CopyGrab() static
- make FreeGrab() NULL tolerant
- add documentation to all function prototypes
- squashed commits
Edited by Enrico Weigelt, metux IT consult .