Ignore iostream_client executable.

asio/src/examples/local/.cvsignore

diff --git a/asio/src/examples/local/.cvsignore b/asio/src/examples/local/.cvsignore
index 78ec1d9..ea38a86 100644
--- a/asio/src/examples/local/.cvsignore
+++ b/asio/src/examples/local/.cvsignore
@@ -2,6 +2,7 @@
 .dirstamp
 *.exe
 connect_pair
+iostream_client
 stream_server
 stream_client
 *.ilk