* README.EXT: refine a sentence.  thanks to Leonard Chin.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41001 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
vm_eval.c: new names of rb_funcall family

* vm_eval.c (rb_funcallv): add better names of rb_funcall2.
* vm_eval.c (rb_funcallv_public): ditto for rb_funcall3.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41002 b2dd03c8-39d4-4d8f-98ff-823fe69b080e