Rename xvmc_render.h --> xvmc_pixfmt.h and vdpau.h --> vdpau_pixfmt.h as

suggested by Michael, the new names better describe the contents of the files.

Originally committed as revision 17168 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/vdpau.c

@@ -29,7 +29,7 @@
 #undef NDEBUG
 #include <assert.h>
 
-#include "vdpau.h"
+#include "vdpau_pixfmt.h"
 #include "vdpau_internal.h"
 
 /**

libavcodec/xvmc.c

@@ -29,11 +29,11 @@
 #undef NDEBUG
 #include <assert.h>
 
-//X11 includes are in xvmc_render.h
+//X11 includes are in xvmc_pixfmt.h
 //by replacing it with non-X one
 //XvMC emulation could be performed
 
-#include "xvmc_render.h"
+#include "xvmc_pixfmt.h"
 
 //#include "xvmc_debug.h"