version.c: MKSTR for fake.rb

* version.c (Init_ruby_description): fake.rb needs MKSTR to extract
  constant names.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64266 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

version.c

@@ -95,7 +95,7 @@ Init_ruby_description(void)
     /*
      * The full ruby version string, like <tt>ruby -v</tt> prints
      */
-    rb_define_global_const("RUBY_DESCRIPTION", description);
+    rb_define_global_const("RUBY_DESCRIPTION", /* MKSTR(description) */ description);
 }
 
 /*! Prints the version information of the CRuby interpreter to stdout. */