wlan: Fix issues reported by code inspection tool

Address issues found by third party code inspection tool

Change-Id: I873bc845487a72338ef5aaf705c54d005284b45d
CRs-fixed: 555246
diff --git a/CORE/HDD/src/wlan_hdd_wext.c b/CORE/HDD/src/wlan_hdd_wext.c
index 92c4c0f..619adb9 100644
--- a/CORE/HDD/src/wlan_hdd_wext.c
+++ b/CORE/HDD/src/wlan_hdd_wext.c
@@ -3750,6 +3750,8 @@
         case WE_SET_11D_STATE:
         {
             tSmeConfigParams smeConfig;
+            memset(&smeConfig, 0x00, sizeof(smeConfig));
+
             if((ENABLE_11D == set_value) || (DISABLE_11D == set_value)) {
 
                 sme_GetConfigParam(hHal,&smeConfig);