make scripts work with more shells,
use current variable names.
diff --git a/src/libsec/mkfile b/src/libsec/mkfile
index aab5746..e3f1aa6 100644
--- a/src/libsec/mkfile
+++ b/src/libsec/mkfile
@@ -2,6 +2,6 @@
 
 DIRS=\
 	port\
-#	$systype-$objtype\
+	$OBJTYPE\
 
 <$PLAN9/src/mkdirs