Updating the NaRPC copyright in LICENSE-binary

Signed-off-by: Patrick Stuedi <pstuedi@apache.org>
diff --git a/LICENSE-binary b/LICENSE-binary
index 5a7e894..c98181a 100644
--- a/LICENSE-binary
+++ b/LICENSE-binary
@@ -999,7 +999,7 @@
 
 narpc-1.5.jar
 -------------
-Copyright (C) 2018, IBM Corporation
+Copyright (C) 2018-2019, IBM Corporation
 
 jnvmf-1.6.jar
 -------------