wlan: Fix static code analysis error

Fix static code analysis error in WLANTL_updatePERStats API.

Change-Id: I060b5ee77c1e404ef96d8f1837f40889bfcd3b80
CRs-Fixed: 1059876
diff --git a/CORE/TL/src/wlan_qct_tl.c b/CORE/TL/src/wlan_qct_tl.c
index fd2d9a8..7902ac7 100644
--- a/CORE/TL/src/wlan_qct_tl.c
+++ b/CORE/TL/src/wlan_qct_tl.c
@@ -8973,7 +8973,7 @@
 static void WLANTL_updatePERStats(WLANTL_CbType *pTLCb,
                                   v_U8_t rateIndex)
 {
-   v_U8_t incrementCnt;
+   v_U8_t incrementCnt = 0;
    v_U64_t currentTime, timeDifference;
 
    /*