Fix Segmentation fault at TestArray#test_aref

* array.c (rb_ary_aref): fix Segmentation fault at TestArray#test_aref
  on x64 mingw. Variable argument of rb_scan_args() should be a pointer
  (VALUE *), but 0 of variable argument seems not equal to null pointer
  on x64 mingw.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37828 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,10 @@
+Sat Nov 24 12:28:04 2012  Hiroshi Shirosaki  <h.shirosaki@gmail.com>
+
+	* array.c (rb_ary_aref): fix Segmentation fault at TestArray#test_aref
+	  on x64 mingw. Variable argument of rb_scan_args() should be a pointer
+	  (VALUE *), but 0 of variable argument seems not equal to null pointer
+	  on x64 mingw.
+
 Sat Nov 24 12:12:41 2012  Hiroshi Shirosaki  <h.shirosaki@gmail.com>
 
 	* gc.c (wmap_final_func): rename variables to clarify the meaning.

array.c

@@ -1174,7 +1174,7 @@ rb_ary_aref(int argc, VALUE *argv, VALUE ary)
 	return rb_ary_subseq(ary, beg, len);
     }
     if (argc != 1) {
-	rb_scan_args(argc, argv, "11", 0, 0);
+	rb_scan_args(argc, argv, "11", NULL, NULL);
     }
     arg = argv[0];
     /* special case - speeding up */