esp32: fix wifi memory leak

Fix a WiFi memory leak bug

diff --git a/components/esp32/lib b/components/esp32/lib
index f0da16578cd4464490385aa3384e496fa2ca5475..c52f13bb77ab3866fdea6decf521b232f332c4e7 160000 (submodule)
--- a/components/esp32/lib
+++ b/components/esp32/lib
@@ -1 +1 @@
-Subproject commit f0da16578cd4464490385aa3384e496fa2ca5475
+Subproject commit c52f13bb77ab3866fdea6decf521b232f332c4e7