fix trackUpdate condition

Signed-off-by: Ran Shidlansik <ranshid@amazon.com>

Author: ranshid

src/t_hash.c

@@ -460,8 +460,8 @@ void hashTypeUntrackEntry(robj *o, void *entry) {
 }
 
 static void hashTypeTrackUpdateEntry(robj *o, void *old_entry, void *new_entry, long long old_expiry, long long new_expiry) {
-    int old_tracked = old_entry && old_expiry != EXPIRY_NONE;
-    int new_tracked = new_entry && new_expiry != EXPIRY_NONE;
+    int old_tracked = (old_entry && old_expiry != EXPIRY_NONE);
+    int new_tracked = (new_entry && new_expiry != EXPIRY_NONE);
     /* If entry was not tracked before and not going to be tracked now, we can simply return */
     if (!old_tracked && !new_tracked)
         return;