Let the cmdVERSION usage message expand $0

It makes more sense than literally printing "usage: $0 ..."

diff --git a/Porting/cmpVERSION.pl b/Porting/cmpVERSION.pl
index f118974..73a1357 100644 (file)
--- a/Porting/cmpVERSION.pl
+++ b/Porting/cmpVERSION.pl
@@ -24,7 +24,7 @@ use lib 'Porting';
 use Maintainers;
 
 sub usage {
-die <<'EOF';
+die <<"EOF";
 usage: $0 [ -d -x ] source_dir1 source_dir2
 EOF
 }