Merge branch 'bugfix/mesh_scan_done_crash_3.2' into 'release/v3.2'

mesh: fix scan done crash caused by uint8_t overflow (backport 3.2)

See merge request espressif/esp-idf!5614
This commit is contained in:
Jiang Jiang Jian
2019-07-27 14:38:39 +08:00