Update copyright to 2015
diff --git a/src/compiler/ruby_generator_string-inl.h b/src/compiler/ruby_generator_string-inl.h
index d24a61b..92d3f5d 100644
--- a/src/compiler/ruby_generator_string-inl.h
+++ b/src/compiler/ruby_generator_string-inl.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
@@ -130,4 +130,4 @@
} // namespace grpc_ruby_generator
-#endif // NET_GRPC_COMPILER_RUBY_GENERATOR_STRING_INL_H_
+#endif // NET_GRPC_COMPILER_RUBY_GENERATOR_STRING_INL_H_
\ No newline at end of file