selftest: eliminate a perl warning

In perl, %binary_mapping should be initialized as a hash, not a hash reference.

diff --git a/selftest/selftest.pl b/selftest/selftest.pl
index af45c718de1b32f528cf48426837448b1fcc6de1..12c4b334453efab7a888be533e5a4f4628146446 100755 (executable)
--- a/selftest/selftest.pl
+++ b/selftest/selftest.pl
@@ -463,7 +463,7 @@ if ($opt_socket_wrapper) {
 my $target;
 my $testenv_default = "none";
 
-my %binary_mapping = {};
+my %binary_mapping = ();
 if ($opt_binary_mapping) {
     my @binmapping_list = split(/,/, $opt_binary_mapping);
     foreach my $mapping (@binmapping_list) {