Fix another stack overflow in EffectChainTest.

Again, found with llvmpipe.

diff --git a/effect_chain_test.cpp b/effect_chain_test.cpp
index 09a6df1b9608035160c868304cd6a2d3ac009284..efe520f521492de013b0c221217616a063878938 100644 (file)
--- a/effect_chain_test.cpp
+++ b/effect_chain_test.cpp
@@ -149,7 +149,7 @@ TEST(EffectChainTest, RewritingWorksAndTexturesAreAskedForsRGB) {
                1.0f, 0.9771f,
                0.8983f, 0.0f,
        };
-       float out_data[2];
+       float out_data[4];
        EffectChainTester tester(NULL, 2, 2);
        tester.add_input(data, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_sRGB);
        RewritingEffect<InvertEffect> *effect = new RewritingEffect<InvertEffect>();