libhb: Make prefiltered check in NLMeans more explicit.

diff --git a/libhb/nlmeans.c b/libhb/nlmeans.c
index 0ca0f4f6d7f2f0e6d089e6ebd6308ab54989f378..d5751c1bd6eaa3a14e9171bb50887f1728aeb8bf 100644 (file)
--- a/libhb/nlmeans.c
+++ b/libhb/nlmeans.c
@@ -587,7 +587,7 @@ static void nlmeans_prefilter(BorderedPlane *src,
                               const int filter_type)
 {
     hb_lock(src->mutex);
-    if (src->prefiltered)
+    if (src->prefiltered == 1)
     {
         hb_unlock(src->mutex);
         return;