wlan: Fix klock work issues.

In __wlan_hdd_cfg80211_sched_scan_start() free dynamically
allocated object 'pPnoRequest'.
In WDI_ProcessGetBcnMissRateReq(), remove unused variable
macBSSID.

Change-Id: Ia6ce3b85b0d3c5ad174c152bf12c5e896b01cb44
CRs-Fixed: 690997
diff --git a/CORE/HDD/src/wlan_hdd_cfg80211.c b/CORE/HDD/src/wlan_hdd_cfg80211.c
index a5fa9e3..de5bc84 100644
--- a/CORE/HDD/src/wlan_hdd_cfg80211.c
+++ b/CORE/HDD/src/wlan_hdd_cfg80211.c
@@ -12483,6 +12483,7 @@
         goto error;
     }
 
+    vos_mem_free(pPnoRequest);
     ret = pAdapter->pno_req_status;
     return ret;