backout scanner.l strtonum commits; they restrict numbers to INT_MAX,

backout scanner.l strtonum commits; they restrict numbers to INT_MAX,
breaking filter expressions like "ether[14:4]=0xaaaa0300". ok op@ deraadt@

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revision 1.32
date: 2024/08/29 07:33:50;  author: anton;  state: Exp;  lines: +2 -2;  commitid: ZYtBn8qrrNNh87on;
Fix regression introduced in previous migration to strtol() by
correcting the error condition, making it on par with the example in the
manual.

ok op@
-/--------------------------
revision 1.31
date: 2024/08/28 11:40:33;  author: op;  state: Exp;  lines: +13 -31;  commitid: RirJPBPfGo9NeSE6;
libpcap: replace hand-rolled number parser with strtol

can't use strtonum here since it needs to handle octal and hex
notations as well.  Part of a larger diff that's ok beck@
-/--------------------------