Reinclude sys/stat.h in chan_dahdi.c and remove redundant include in utils.c

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@395182 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_dahdi.c

@@ -62,6 +62,7 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
 #else
 #include <sys/signal.h>
 #endif
+#include <sys/stat.h>
 #include <math.h>
 
 #include "sig_analog.h"

main/utils.c

@@ -34,7 +34,6 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
 #include <ctype.h>
 #include <fcntl.h>
 #include <sys/stat.h>
-#include <sys/stat.h>
 #include <sys/syscall.h>
 #include <unistd.h>
 #if defined(__APPLE__)