mq_tree_seek(): Mark as pure

And mark the static recursive function it calls as pure.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/tree.c b/src/tree.c
index 64d7230..59979ee 100644
--- a/src/tree.c
+++ b/src/tree.c
@@ -247,7 +247,7 @@ mq_tree_remove_allocated(MqTree *node)
 	debug_print_tree("Removed node", node);
 }
 
-static MqTree *
+static MqTree * G_GNUC_PURE
 seek(MqTree *node, gint offset)
 {
 	/* Skip forward to the containing subtree. */