../privoxy-runtests.pm: Prevent warning if $_ is undefined

diff --git a/tests/cts/privoxy-runtests.pm b/tests/cts/privoxy-runtests.pm
index b04b027..44aa03c 100644 (file)
--- a/tests/cts/privoxy-runtests.pm
+++ b/tests/cts/privoxy-runtests.pm
@@ -175,6 +175,7 @@ sub getpartattr {
 # about unknown tests
 sub logmsg {
     for (@_) {
+        next unless defined($_);
         next if /^Warning: test\d+ not present in/;
         print "$_";
     }