Fix -Wgnu-folding-constant in a test
@@ -32,7 +32,7 @@ static const unsigned char *keys[] = {
(const unsigned char *) "",
};
-static const int key_count = sizeof(keys)/sizeof(keys[0]);
+enum { key_count = sizeof(keys) / sizeof(keys[0]) };
// add using iterator key, lookup and remove using string key
