Fix sed usage error (creating backups *e)

mkit/include/common.sh

@@ -54,7 +54,7 @@ dist() {
     mkdir -p $dirname
     local item
     cp -R $(list_of_dist_items) $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