Wifi-HAL: Fix null check while setting on_alert handler

While setting on_alert handler, check should be for non-null
handler but not null handler.

Change-Id: I1823e72cf6d05779f1cfd018fdb5c69a5f570187
1 file changed
tree: e41f755888f4508511e2bc6ecc820ae0222b324a
  1. qcwcn/