* ext/io/wait/wait.c (FIONREAD_POSSIBLE_P): suppress warnings.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@17069 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Tue Jun 10 12:58:07 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* ext/io/wait/wait.c (FIONREAD_POSSIBLE_P): suppress warnings.
+
 Tue Jun 10 12:43:19 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* include/ruby/ruby.h (CONST_ID_CACHE): fixed statement expression.

ext/io/wait/wait.c

@@ -30,7 +30,7 @@
 #ifdef HAVE_RB_W32_IS_SOCKET
 #define FIONREAD_POSSIBLE_P(fd) rb_w32_is_socket(fd)
 #else
-#define FIONREAD_POSSIBLE_P(fd) ((fd),Qtrue)
+#define FIONREAD_POSSIBLE_P(fd) ((void)(fd),Qtrue)
 #endif
 
 static VALUE io_ready_p _((VALUE io));