Add magic number to hash (prevent all pure-black or similarly-black images from hashing to same value universally).
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@ -101,7 +101,7 @@ unsigned int guac_hash_surface(cairo_surface_t* surface) {
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/* Compute next hash */
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/* Compute next hash */
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hash_value =
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hash_value =
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_guac_rotate(hash_value, 1) ^ color;
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_guac_rotate(hash_value, 1) ^ color ^ 0x1B872E69;
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}
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}
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