tests: use "env" to run commands with temporary env-var settings

diff --git a/git-relink.perl b/git-relink.perl
index e136732cea80c1594ac02c93cf246e8c77ff89b8..236a3521a19260f5f49b81a39d7193a68b25b64b 100755 (executable)
--- a/git-relink.perl
+++ b/git-relink.perl
@@ -1,4 +1,4 @@
-#!/usr/bin/env perl
+#!/usr/bin/perl
 # Copyright 2005, Ryan Anderson <ryan@michonline.com>
 # Distribution permitted under the GPL v2, as distributed
 # by the Free Software Foundation.
@@ -163,7 +163,7 @@ ($$)
 
 
 sub usage() {
-       print("Usage: git relink [--safe] <dir>... <master_dir> \n");
+       print("usage: git relink [--safe] <dir>... <master_dir> \n");
        print("All directories should contain a .git/objects/ subdirectory.\n");
        print("Options\n");
        print("\t--safe\t" .