small fixes

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_3@457 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 2 deletions

diff --git a/io.c b/io.c
index 4c9bbcf038..aacccd4e13 100644
--- a/io.c
+++ b/io.c
@@ -1056,9 +1056,9 @@ rb_io_binmode(io)
     return io;
 }
 
-static int
+int
 rb_io_mode_flags(mode)
-    char *mode;
+    const char *mode;
 {
     int flags = 0;