Update monero submodule

diff --git a/monero b/monero
index b45c66e9c62d7e8f24abbcb447f408e618bfd450..87340caaa64846bc5c8d52820722f3f94c74974c 160000 (submodule)
--- a/monero
+++ b/monero
@@ -1 +1 @@
-Subproject commit b45c66e9c62d7e8f24abbcb447f408e618bfd450
+Subproject commit 87340caaa64846bc5c8d52820722f3f94c74974c