Add grub-mkconfig support for NetBSD.

util/grub-mkconfig_lib.in

@@ -31,6 +31,12 @@ if test "x$grub_mkrelpath" = x; then
   grub_mkrelpath=${bindir}/`echo grub-mkrelpath | sed ${transform}`
 fi
 
+if $(which gettext >/dev/null 2>/dev/null) ; then
+  gettext="gettext"
+else
+  gettext="echo"
+fi
+
 grub_warn ()
 {
   echo "Warning: $@" >&2
@@ -190,5 +196,5 @@ version_find_latest ()
 }
 
 gettext_quoted () {
-  gettext "$@" | sed "s/'/'\\\\''/g"
+  $gettext "$@" | sed "s/'/'\\\\''/g"
 }