Upgrade to tcpdump 4.9.1.

From CHANGES:

  Sunday July 23, 2017 denis@ovsienko.info
  Summary for 4.9.1 tcpdump release
    CVE-2017-11108/Fix bounds checking for STP.
    Make assorted documentation updates and fix a few typos in tcpdump output.
    Fixup -C for file size >2GB (GH #488).
    Show AddressSanitizer presence in version output.
    Fix a bug in test scripts (exposed in GH #613).
    On FreeBSD adjust Capsicum capabilities for netmap.
    On Linux fix a use-after-free when the requested interface does not exist.

Bug: N/A
Test: ran manually
Change-Id: Id663a3770bc70c8b59e2579479437c7bc8f27fab

1 files changed, 2 insertions, 2 deletions

diff --git a/tests/TESTonce b/tests/TESTonce
index 78ad075..012364f 100755
--- a/tests/TESTonce
+++ b/tests/TESTonce
@@ -15,13 +15,13 @@ $options=$ARGV[3];
 my $r;
 
 if ($^O eq 'MSWin32') {
-    $r = system "..\\windump -n -r $input $options 2>NUL | sed 's/\\r//' | tee NEW/$output | diff $output - >DIFF/$output.diff";
+    $r = system "..\\windump -n -t -r $input $options 2>NUL | sed 's/\\r//' | tee NEW/$output | diff $output - >DIFF/$output.diff";
     # need to do same as below for Cygwin.
 }
 else {
     # we used to do this as a nice pipeline, but the problem is that $r fails to
     # to be set properly if the tcpdump core dumps.
-    $r = system "../tcpdump 2>/dev/null -n -r $input $options >NEW/$output";
+    $r = system "../tcpdump 2>/dev/null -n -t -r $input $options >NEW/$output";
     if($r == 0x100) {
         # this means tcpdump exited with code 1.
         open(OUTPUT, ">>"."NEW/$output") || die "fail to open $output\n";