Fix build when ocaml-gettext is not installed.

diff --git a/lib/virt_mem_utsname.ml b/lib/virt_mem_utsname.ml
index 33ee969..149e735 100644 (file)
--- a/lib/virt_mem_utsname.ml
+++ b/lib/virt_mem_utsname.ml
@@ -78,6 +78,8 @@ let find_utsname debug ({ domname = name; mem = mem } as image, ksymmap) =
          parse_utsname bits
            with
              Not_found ->
-               eprintf (f_"%s: could not find utsname in kernel image\n") name
+               eprintf (f_"%s: could not find utsname in kernel image\n")
+                 name;
+               None
   in
   (image, ksymmap, utsname)