Fix bad use of sed interactive

The previous version actually meant "create backup config.mke"

setup/mk.sh

@@ -90,7 +90,7 @@ dist() {
             setup \
             utils \
             $dirname
-    sed -ie "s/^VERSION = .*/VERSION = $version/" $dirname/config.mk
+    sed -i -e "s/^VERSION = .*/VERSION = $version/" $dirname/config.mk
     tar -cf $dirname.tar $dirname
     gzip $dirname.tar
     rm -rf $dirname