Updates keyringer: a3c913d Fix(xclip): avoid 'Error: target STRING not available...

diff --git a/keyringer b/keyringer
index 23bc11277cbb1e2f9a06ab357ac20106c9965b90..a3c913dec62cb098b3234bfaec22492ba8979119 160000 (submodule)
--- a/keyringer
+++ b/keyringer
@@ -1 +1 @@
-Subproject commit 23bc11277cbb1e2f9a06ab357ac20106c9965b90
+Subproject commit a3c913dec62cb098b3234bfaec22492ba8979119