qcacld-3.0: Specify exact size of the version string while coping

While coping version strings in cds_hang_event_notifier_call, specify
exact size of QWLAN_VERSIONSTR/QDF_HANG_EVENT_VERSION to avoid buffer
overflow.

Change-Id: Ie2203600a2c92bb78ba076b609375ca219773b19
CRs-Fixed: 2702069
1 file changed