overlay: Do not unset overlay for MSMFB_NEW_REQUEST

Change-Id: I40c21964db91e098f6f445e7860fefd09dcad768
diff --git a/liboverlay/overlayMdssRot.cpp b/liboverlay/overlayMdssRot.cpp
index 39c7f95..339aae7 100644
--- a/liboverlay/overlayMdssRot.cpp
+++ b/liboverlay/overlayMdssRot.cpp
@@ -200,12 +200,12 @@
 
 bool MdssRot::close() {
     bool success = true;
-    if(mFd.valid() && (getSessId() > 0)) {
+    if(mFd.valid() && (getSessId() != (uint32_t) MSMFB_NEW_REQUEST)) {
         if(!mdp_wrapper::unsetOverlay(mFd.getFD(), getSessId())) {
             ALOGE("MdssRot::close unsetOverlay failed, fd=%d sessId=%d",
                   mFd.getFD(), getSessId());
-		    success = false;
-	    }
+            success = false;
+        }
     }
 
     if (!mFd.close()) {