fixed bug #307377 about validation of choices in list values. added

* relaxng.c: fixed bug #307377 about validation of choices in
  list values.
* test/relaxng/307377* result/relaxng/307377* Makefile.am runtest.c:
  added examples to the regression tests, problem is that streaming
  version gives slightly more informations.
Daniel
diff --git a/runtest.c b/runtest.c
index 37c804d..b5ac973 100644
--- a/runtest.c
+++ b/runtest.c
@@ -3248,7 +3248,7 @@
      * hack is also done in the Makefile
      */
     if ((!strcmp(prefix, "tutor10_1")) || (!strcmp(prefix, "tutor10_2")) ||
-        (!strcmp(prefix, "tutor3_2"))) 
+        (!strcmp(prefix, "tutor3_2")) || (!strcmp(prefix, "307377"))) 
 	disable_err = 1;
 
     snprintf(pattern, 499, "./test/relaxng/%s_?.xml", prefix);