lib/asn1: _asn1_print_open_type free 'indents'

'indents' was leaked on one code path.

Change-Id: Ib4a7a8dcf7aae05a79ac6738da3a87a61e85c48e

lib/asn1/template.c

@@ -2451,9 +2451,9 @@ _asn1_print_open_type(const struct asn1_template *t, /* object set template */
             if (s)
                 r = rk_strpoolprintf(r, ",%s\"_%s\":%s",
                                      indents ? indents : "", opentype_name, s);
-            free(indents);
             free(s);
         }
+	free(indents);
         return r;
     }