* ext/dbm/extconf.rb: unused macro removed.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@34766 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Thu Feb 23 23:01:21 2012  Tanaka Akira  <akr@fsij.org>
+
+	* ext/dbm/extconf.rb: unused macro removed.
+
 Thu Feb 23 22:26:53 2012  Tanaka Akira  <akr@fsij.org>
 
 	* test/test_curses.rb: new file.

ext/dbm/extconf.rb

@@ -99,7 +99,6 @@ def try_toplevel(src, headers = nil, opt = "", &b)
 /*top*/
 #{src}
 SRC
-    $defs.push("-DHAVE_EMPTY_MACRO_DBM_CLEARERR")
     true
   else
     false