qcacld-3.0: Avoid uninitialized use of variable

In send sta authorized event api, there is a possibility
of use of uninitialized use of structure variable mask
which may result in an invalid value of the mask.

To avoid uninitialized use of the structure variable,
mem set structure variable to zero before using it.

Change-Id: I2c8bbac949b55fd18928c5dca8744147b0a45415
CRs-Fixed: 2423878
1 file changed