* include/ruby/missing.h: include math.h before checking INFINITY

and NAN. Otherwise, strange macro redefinition will occur.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36142 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Mon Jun 18 19:31:20 2012  KOSAKI Motohiro  <kosaki.motohiro@gmail.com>
+
+	* include/ruby/missing.h: include math.h before checking INFINITY
+	  and NAN. Otherwise, strange macro redefinition will occur.
+
 Mon Jun 18 19:12:37 2012  KOSAKI Motohiro  <kosaki.motohiro@gmail.com>
 
 	* array.c (ary_reverse): use ansi style declaration.

include/ruby/missing.h

@@ -20,6 +20,7 @@ extern "C" {
 
 #include "ruby/config.h"
 #include <stddef.h>
+#include <math.h> /* for INFINITY and NAN */
 #ifdef RUBY_EXTCONF_H
 #include RUBY_EXTCONF_H
 #endif