defsubs_h.PL: Use correct variable in error msg

diff --git a/ext/B/defsubs_h.PL b/ext/B/defsubs_h.PL
index 684ca26..98a3e8b 100644 (file)
--- a/ext/B/defsubs_h.PL
+++ b/ext/B/defsubs_h.PL
@@ -7,7 +7,7 @@ my (undef, $headerpath) = @ARGV;
 my ($out) = __FILE__ =~ /(^.*)\.PL/i;
 $out =~ s/_h$/.h/;
 unlink $out if -l $out;
-open(OUT,">$out") || die "Cannot open $file:$!";
+open(OUT,">$out") || die "Cannot open $out:$!";
 print "Extracting $out...\n";
 print OUT <<"END";
 /*