security/wolfssl: Fix 32-bit builds.

Add upstream patch for the fix, until changes are merged and
a new release is made.

PR: 294287
Reported by: Robert Clausecker <fuz@FreeBSD.org>
Reviewed by: Robert Clausecker <fuz@FreeBSD.org>
Tested by: Robert Clausecker <fuz@FreeBSD.org>

(cherry picked from commit 8318a3cd1c5262d51c70240d97798cce3c1a3bd6)