building multimedia/xine fails with libcaca enabled.

Fix: 

interface to libcaca has been changed about recent libcaca.
	here is a patch:
	--- src/aaui/main.c.orig	2007-01-19 04:56:56.000000000 +0900
	+++ src/aaui/main.c	2008-03-04 15:18:06.000000000 +0900
	@@ -593,7 +593,7 @@
	   while ( !caca_get_event(aaxine.display, CACA_EVENT_KEY_PRESS, &ev, 50000) && aaxine.running ) ;
	 
	   if (!aaxine.running) return 0;
	-  return ev.data.key.ch;
	+  return caca_get_event_key_ch(&ev);
	 #endif
	 }
How-To-Repeat: 	% cd /usr/ports/multimedia/xine
	% make
	...
	if cc -DHAVE_CONFIG_H -I. -I. -I../.. -I../.. -I../.. -I../../src -I../../src -I../../src/common -I../../src/common -I../../src/xitk/xine-toolkit -I../../src/xitk/xine-toolkit -I/usr/local/include   -I/usr/local/include -L/usr/local/lib -I/usr/local/include -I/usr/local/include   -DCACA -I/usr/local/include   -Wall -D_FILE_OFFSET_BITS=64 -Wpointer-arith -Wnested-externs -Wcast-align -Wchar-subscripts -Wmissing-declarations -Wmissing-prototypes -L/usr/local/lib  -O2 -fno-strict-aliasing -pipe -I/usr/local/include     -DNDEBUG -Wformat=2 -Wno-format-zero-length -Wmissing-format-attribute -Wstrict-aliasing=2 -MT cacaxine-main.o -MD -MP -MF ".deps/cacaxine-main.Tpo" -c -o cacaxine-main.o `test -f 'main.c' || echo './'`main.c; \        then mv -f ".deps/cacaxine-main.Tpo" ".deps/cacaxine-main.Po"; else rm -f ".deps/cacaxine-main.Tpo"; exit 1; fi
	main.c: In function `aaxine_get_key_event':
	main.c:596: error: structure has no member named `data'
	gmake[3]: *** [cacaxine-main.o] error 1