t/t5516-fetch-push.sh: use the $( ... ) construct for command substitution

diff --git a/t/perf/aggregate.perl b/t/perf/aggregate.perl
index 15f7fc1b8015114883bc36d1e35dffd730721e52..924b19dab4122a36112bd908a6252e754ecc531a 100755 (executable)
--- a/t/perf/aggregate.perl
+++ b/t/perf/aggregate.perl
@@ -1,5 +1,6 @@
 #!/usr/bin/perl
 
+use lib '../../perl/blib/lib';
 use strict;
 use warnings;
 use Git;