update waeda-sym

diff --git a/sch-pcb/waeda-sym b/sch-pcb/waeda-sym
index b4b4f409d3ff1ed2f497ec0047b0b7440de79832..6ec935ce98c445869f1b5984736a9244d1df136a 160000 (submodule)
--- a/sch-pcb/waeda-sym
+++ b/sch-pcb/waeda-sym
@@ -1 +1 @@
-Subproject commit b4b4f409d3ff1ed2f497ec0047b0b7440de79832
+Subproject commit 6ec935ce98c445869f1b5984736a9244d1df136a