Update copyright to 2015
diff --git a/src/core/channel/client_channel.h b/src/core/channel/client_channel.h
index 6b8a7d9..3db8cb6 100644
--- a/src/core/channel/client_channel.h
+++ b/src/core/channel/client_channel.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2014, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -59,4 +59,4 @@
     grpc_channel_filter const **channel_filters, size_t num_channel_filters,
     grpc_mdctx *mdctx);
 
-#endif /* __GRPC_INTERNAL_CHANNEL_CLIENT_CHANNEL_H__ */
+#endif /* __GRPC_INTERNAL_CHANNEL_CLIENT_CHANNEL_H__ */
\ No newline at end of file