esp32: fix several wpa2 enterprise issues

Fix following issues:
1. Fix heap corrupted bug
2. Fix memory leak bug
3. Make wpa2 enterprise thread-safe
Closes https://github.com/espressif/esp-idf/issues/1569
This commit is contained in:
Liu Zhi Fu
2018-07-20 11:59:27 +08:00
committed by bot
parent 9082fef6cf
commit 343bd32bd8