* io.c (io_fillbuf): fixes a mistake on merging r30280, at r30321.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_2@30325 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/io.c b/io.c
index 2b40b08f0f..268d8d7ba3 100644
--- a/io.c
+++ b/io.c
@@ -1212,7 +1212,7 @@ io_fillbuf(rb_io_t *fptr)
         fptr->rbuf_capa = IO_RBUF_CAPA_FOR(fptr);
         fptr->rbuf = ALLOC_N(char, fptr->rbuf_capa);
 #ifdef _WIN32
-	fptr->rbuf.capa--;
+	fptr->rbuf_capa--;
 #endif
     }
     if (fptr->rbuf_len == 0) {