vm_eval.c: should be singular

* vm_eval.c (raise_method_missing): "names" should be singular.
  pointed out by Filip Bartuzi.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51746 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Thu Sep  3 17:54:26 2015  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* vm_eval.c (raise_method_missing): "names" should be singular.
+	  pointed out by Filip Bartuzi.
+
 Thu Sep  3 17:50:09 2015  Koichi Sasada  <ko1@atdot.net>
 
 	* gc.c (rb_raw_obj_info): should support IMEMO/iseq.

vm_eval.c

@@ -694,7 +694,7 @@ raise_method_missing(rb_thread_t *th, int argc, const VALUE *argv, VALUE obj,
     const char *format = 0;
 
     if (UNLIKELY(argc == 0)) {
-	rb_raise(rb_eArgError, "no method names given");
+	rb_raise(rb_eArgError, "no method name given");
     }
     else if (UNLIKELY(!SYMBOL_P(argv[0]))) {
 	const VALUE e = rb_eArgError; /* TODO: TypeError? */