* variable.c: parenthesize macro arguments.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@30512 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Tue Jan 11 20:32:59 2011  Tanaka Akira  <akr@fsij.org>
+
+	* variable.c: parenthesize macro arguments.
+
 Tue Jan 11 13:06:38 2011  NAKAMURA Usaku  <usa@ruby-lang.org>
 
 	* array.c (rb_ary_resize): should care of embeded array when extending

variable.c

@@ -1425,7 +1425,7 @@ static const rb_data_type_t autoload_data_type = {
 };
 
 #define check_autoload_table(av) \
-    (struct st_table *)rb_check_typeddata(av, &autoload_data_type)
+    (struct st_table *)rb_check_typeddata((av), &autoload_data_type)
 
 void
 rb_autoload(VALUE mod, ID id, const char *file)