REORG: include: move sink.h to haproxy/sink{,-t}.h
The sink files could be moved with almost no change at since they
didn't rely on anything fancy. ssize_t required sys/types.h and
thread.h was needed for the locks.
diff --git a/src/trace.c b/src/trace.c
index 4111bdb..c8cb4c1 100644
--- a/src/trace.c
+++ b/src/trace.c
@@ -25,7 +25,7 @@
#include <haproxy/list.h>
#include <proto/cli.h>
#include <proto/log.h>
-#include <proto/sink.h>
+#include <haproxy/sink.h>
#include <proto/trace.h>
struct list trace_sources = LIST_HEAD_INIT(trace_sources);