make testsuite somewhat location independent

p4raw-id: //depot/perl@2891

1 files changed, 1 insertions, 1 deletions

diff --git a/t/harness b/t/harness
index f6d94de90f..88bcb38fba 100644
--- a/t/harness
+++ b/t/harness
@@ -5,7 +5,7 @@
 
 BEGIN {
     chdir 't' if -d 't';
-    @INC = '../lib';
+    unshift @INC, '../lib';
     $ENV{PERL5LIB} = '../lib';	# so children will see it too
 }
 use lib '../lib';