Require uint32_t alignment for ipfw_insn
There are many casts of this struct to uint32_t, so we also need to ensure that it is sufficiently aligned to safely perform this cast on architectures that don't allow unaligned accesses. This fixes lots of -Wcast-align warnings. Reviewed By: ae Differential Revision: https://reviews.freebsd.org/D27879
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@ -339,7 +339,7 @@ enum ipfw_opcodes { /* arguments (4 byte each) */
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*
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*/
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typedef struct _ipfw_insn { /* template for instructions */
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u_int8_t opcode;
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_Alignas(_Alignof(u_int32_t)) u_int8_t opcode;
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u_int8_t len; /* number of 32-bit words */
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#define F_NOT 0x80
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#define F_OR 0x40
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