wlan: wlan_hdd_cfg80211_del_pmksa error code causing infinite loop

wlan_hdd_cfg80211_del_pmksa() return an error code which causing
wpa_supplicant send_and_recv() go into infinite loop

Change-Id: I0f5305b72048d235b802d75c5b6799fef846b80a
CRs-fixed: 587500
diff --git a/CORE/SME/src/sme_common/sme_Api.c b/CORE/SME/src/sme_common/sme_Api.c
index 2f6cf19..5c68639 100644
--- a/CORE/SME/src/sme_common/sme_Api.c
+++ b/CORE/SME/src/sme_common/sme_Api.c
@@ -3283,8 +3283,14 @@
       }
       sme_ReleaseGlobalLock( &pMac->sme );
    }
+   if ( status >0 )
+   {
+      status = -1;
+   }
+
    return (status);
 }
+
 /* ---------------------------------------------------------------------------
     \fn sme_RoamGetSecurityReqIE
     \brief a wrapper function to request CSR to return the WPA or RSN or WAPI IE CSR