postproc/yuv2rgb_altivec.c compile fix

yuv2rgb_altivec_init_tables does initialize the SwsContext vectors.
missing vec_splat.
patch by (Luca Barbato <lu_zero at gentoo dot org>) and (Romain Dolbeau <dolbeau at irisa dot fr>)

Originally committed as revision 13565 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc

postproc/swscale.c

@@ -1724,7 +1724,7 @@ int sws_setColorspaceDetails(SwsContext *c, const int inv_table[4], int srcRange
 	//FIXME factorize
 
 #ifdef HAVE_ALTIVEC
-	yuv2rgb_altivec_init_tables (c, inv_table);
+	yuv2rgb_altivec_init_tables (c, inv_table, brightness, contrast, saturation);
 #endif	
 	return 0;
 }

postproc/swscale_internal.h

@@ -23,6 +23,12 @@
 #include <altivec.h>
 #endif
 
+#ifdef CONFIG_DARWIN
+#define AVV(x...) (x)
+#else
+#define AVV(x...) {x}
+#endif
+
 #include "../mp_msg.h"
 
 #define MSG_WARN(args...) mp_msg(MSGT_SWS,MSGL_WARN, ##args )