libhb: fix dereference of null pointer

diff --git a/libhb/param.c b/libhb/param.c
index 851c5f3005d3f1ecb9485300b1aedd5164c1aa39..fc65d8971f0ed46f5329bae37919ec4a670f03ef 100644 (file)
--- a/libhb/param.c
+++ b/libhb/param.c
@@ -364,7 +364,8 @@ filter_param_get_tunes_internal(int filter_id, int *count)
 {
     int ii;
 
-    *count = 0;
+    if (count != NULL)
+        *count = 0;
     for (ii = 0; param_map[ii].filter_id != HB_FILTER_INVALID; ii++)
     {
         if (param_map[ii].filter_id == filter_id)