build: Use libtool libraries as dependencies of built .oct files.

* libinterp/dldfcn/config-module.awk: Add OCT_LTLINK_DEPS (instead of
OCT_LINK_DEPS) to dependencies of built .oct files. This change was missing in
0bf6b7e1367c90d2ac42fd2e00fa7529703f3c62.

libinterp/dldfcn/config-module.awk

@@ -79,7 +79,7 @@ BEGIN {
             basename, ldflags[i]);
     printf ("%%canon_reldir%%_%s_la_LIBADD = $(DLD_LIBOCTINTERP_LIBADD) %s\n",
             basename, libraries[i]);
-    printf ("%%canon_reldir%%_%s_la_DEPENDENCIES = $(OCT_LINK_DEPS)\n",
+    printf ("%%canon_reldir%%_%s_la_DEPENDENCIES = $(OCT_LTLINK_DEPS)\n",
             basename);
   }