$NetBSD$

--- utils/scripts/sfconv.orig	2015-10-03 21:09:58.000000000 +0000
+++ utils/scripts/sfconv
@@ -18,7 +18,7 @@ then
    exit 1
 fi
 
-if [ $1 == $2 ]
+if [ $1 = $2 ]
 then
    echo "Your input file name is the same as your output file name!"
    exit 1