Some more BeOS cleanup: check for arpa/inet.h; declare the prototype for inet_aton if not found; remove barpainet.h as it's not longer needed.

Originally committed as revision 8488 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavformat/os_support.c

@@ -78,7 +78,7 @@ struct tm *localtime_r(const time_t *t, struct tm *tp)
 #if !defined(HAVE_INET_ATON) && defined(CONFIG_NETWORK)
 #include <stdlib.h>
 #include <strings.h>
-#include "barpainet.h"
+#include "network.h"
 
 int inet_aton (const char * str, struct in_addr * add)
 {