Add Env to Sink

This isn't technically necessary for any sink, but is a pattern common to every
sink implementation in serd, so having it here reduces boilerplate and
parameters in user code.

1 files changed, 1 insertions, 0 deletions

diff --git a/src/sink.h b/src/sink.h
index 03523370..bab46ef6 100644
--- a/src/sink.h
+++ b/src/sink.h
@@ -24,6 +24,7 @@
 */
 struct SerdSinkImpl {
 	void*             handle;
+	SerdEnv*          env;
 	SerdBaseSink      base;
 	SerdPrefixSink    prefix;
 	SerdStatementSink statement;