Attempt to fix a FreeBSD build error by including sys/stat.h.

http://bamboo.asterisk.org/download/AST-TRUNKFREEBSD/build_logs/AST-TRUNKFREEBSD-187.log


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@269602 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_dahdi.c

@@ -53,6 +53,7 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
 #if defined(__NetBSD__) || defined(__FreeBSD__)
 #include <pthread.h>
 #include <signal.h>
+#include <sys/stat.h>
 #else
 #include <sys/signal.h>
 #endif