qcacld-3.0: Correctly call csr_scan_flush_result()
Currently sme_scan_flush_result() passes a tHalHandle to
csr_scan_flush_result(), but a tpAniSirGlobal is expected,
so correct the call to pass the correct parameter.
Change-Id: I618ed5e16752eb6910060389f7c645b4e9ef5c83
CRs-Fixed: 2268802