Fix Perl shebang in TESTrun.

Some script interpreters do not have the same pathname in all operating
systems where they work (e.g. Perl is /usr/local/bin/perl on FreeBSD).
Apply the classic solution to this classic problem.

1 files changed, 1 insertions, 1 deletions

diff --git a/tests/TESTrun b/tests/TESTrun
index 9b462ca6..35773fa9 100755
--- a/tests/TESTrun
+++ b/tests/TESTrun
@@ -1,4 +1,4 @@
-#!/usr/bin/perl
+#!/usr/bin/env perl
 
 $TCPDUMP = "./tcpdump" if (!($TCPDUMP = $ENV{TCPDUMP_BIN}));