wlan: Memory Leak in csrApiRoam.c

Member varilable 'prevConnProfile' of global structure
'neighborRoamInfo' is freed at
csrNeighborRoamClose() during wlan shutdown.

Change-Id: I17b3ea47ea8191fc3bc056d0930b30adc14a2fc7
CR-Fixed: 428302
diff --git a/CORE/SME/src/csr/csrNeighborRoam.c b/CORE/SME/src/csr/csrNeighborRoam.c
index 1449f86..1c29910 100644
--- a/CORE/SME/src/csr/csrNeighborRoam.c
+++ b/CORE/SME/src/csr/csrNeighborRoam.c
@@ -3352,6 +3352,7 @@
 
     /* Free the profile.. */ 
     csrReleaseProfile(pMac, &pNeighborRoamInfo->csrNeighborRoamProfile);
+    csrRoamFreeConnectProfile(pMac, &pNeighborRoamInfo->prevConnProfile);
 
 #ifdef WLAN_FEATURE_VOWIFI_11R
     pMac->roam.neighborRoamInfo.FTRoamInfo.currentNeighborRptRetryNum = 0;