configure: Fix attribute((packed)) test when using -Werror
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@ -759,7 +759,8 @@ AC_MSG_CHECKING([for working __attribute__((packed))])
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AC_COMPILE_IFELSE(
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AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM([], [[
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[AC_LANG_PROGRAM([], [[
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struct test { char a; short b; } __attribute__((packed));
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struct test { char a; short b; } __attribute__((packed));
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char x[sizeof(struct test) == sizeof(char) + sizeof(short) ? 1 : -1];
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char x[sizeof(struct test) == sizeof(char) + sizeof(short) ? 1 : -1]
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__attribute__((unused));
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return 0;
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return 0;
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]])],
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]])],
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[AC_MSG_RESULT([yes])],
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[AC_MSG_RESULT([yes])],
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