* ext/curses/curses.c: use defined() to suppress a warning.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@34748 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Wed Feb 22 21:45:56 2012  Tanaka Akira  <akr@fsij.org>
+
+	* ext/curses/curses.c: use defined() to suppress a warning.
+
 Wed Feb 22 21:44:29 2012  Tanaka Akira  <akr@fsij.org>
 
 	* ext/curses/extconf.rb: refactored.

ext/curses/curses.c

@@ -2768,9 +2768,9 @@ Init_curses(void)
     rb_define_module_function(mCurses, "def_prog_mode", curses_def_prog_mode, 0);
     rb_define_module_function(mCurses, "reset_prog_mode", curses_reset_prog_mode, 0);
 
-#ifdef HAVE_FUNC_CURSES_VERSION
+#if defined(HAVE_FUNC_CURSES_VERSION)
     rb_define_const(mCurses, "VERSION", rb_str_new2(curses_version()));
-#elif HAVE_VAR_CURSES_VERSION
+#elif defined(HAVE_VAR_CURSES_VERSION)
     {
         /* SVR4 curses has an undocumented and undeclared variable, curses_version. */
         RUBY_EXTERN char *curses_version;