git: b15f6400376a - main - swapon.2: correct FreeBSD release that introduced swapoff

The branch main has been updated by emaste:

URL: https://cgit.FreeBSD.org/src/commit/?id=b15f6400376a90d3b00aa3ac00666f683f975376

commit b15f6400376a90d3b00aa3ac00666f683f975376
Author:     Ed Maste <emaste@FreeBSD.org>
AuthorDate: 2023-09-18 09:01:38 +0000
Commit:     Ed Maste <emaste@FreeBSD.org>
CommitDate: 2023-09-18 09:01:38 +0000

    swapon.2: correct FreeBSD release that introduced swapoff
    
    It was introduced in 92da00bb245b, after 5.0 and beforen 5.1.  Reported
    in https://github.com/ziglang/zig/issues/16590.
---
 lib/libc/sys/swapon.2 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/libc/sys/swapon.2 b/lib/libc/sys/swapon.2
index 1a64d39f3029..c0c12d9dde68 100644
--- a/lib/libc/sys/swapon.2
+++ b/lib/libc/sys/swapon.2
@@ -158,4 +158,4 @@ system call appeared in
 The
 .Fn swapoff
 system call appeared in
-.Fx 5.0 .
+.Fx 5.1 .