Paulo Cesar Pereira de Andrade authored Mar 26, 2008 and Zhenyu Wang committed Mar 26, 2008

o Check for RANDR_GET_CRTC_INTERFACE before defining functions that
  are used only if it is defined.
o Declare a variable before code, and rename it from ret to xvmc_status
  to better describe it.
o if 0 some static functions not used.
o Don't declare some unused variables.
o Declare as static some functions that are used only in the file defining it.
o Add a default/fallback return True to the Bool function
  src/xvmc/intel_batchbuffer.c:intelInitBatchBuffer().
o Ansify src/xvmc/xf86dri.c.
o Add missing prototype to src/xvmc/xf86dri.h and follow pattern of other
  headers by adding "extern" before function prototype.