test_util_cache: rename a variable (c is already defined) [luacheck]

diff --git a/tests/test_util_cache.lua b/tests/test_util_cache.lua
index dea1bf4c6b92444ac7bea29aba76e81e7a6d5da0..cbc60bc7da7416d9f8945662acd5c2017ef0f096 100644 (file)
--- a/tests/test_util_cache.lua
+++ b/tests/test_util_cache.lua
@@ -196,12 +196,12 @@ function new(new)
        assert_equal(i, 4);
        
        local evicted_key, evicted_value;
-       local c = new(3, function (_key, _value)
+       local c2 = new(3, function (_key, _value)
                evicted_key, evicted_value = _key, _value;
        end);
        local function set(k, v, should_evict_key, should_evict_value)
                evicted_key, evicted_value = nil, nil;
-               c:set(k, v);
+               c2:set(k, v);
                assert_equal(evicted_key, should_evict_key);
                assert_equal(evicted_value, should_evict_value);
        end