sepolgen: do not use md5 when calculating hash

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This patch looks good to me. acked.

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iEYEARECAAYFAk9x3I8ACgkQrlYvE4MpobOFAgCfUN3TWe84TbsqtOJ+Zn2C8lcV pN8AoK9ihiGm7SNa7AXT26lVHlX1MpJR
=OzI3
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