git: 70ccb89db2a2 - main - build.7: document check-old-libs target

The branch main has been updated by maxim:

URL: https://cgit.FreeBSD.org/src/commit/?id=70ccb89db2a28998a85b60023e7b3211db540cab

commit 70ccb89db2a28998a85b60023e7b3211db540cab
Author:     Maxim Konovalov <maxim@FreeBSD.org>
AuthorDate: 2025-02-03 22:13:39 +0000
Commit:     Maxim Konovalov <maxim@FreeBSD.org>
CommitDate: 2025-02-03 22:13:39 +0000

    build.7: document check-old-libs target
    
    PR:             284546
    MFC after:      3 days
---
 share/man/man7/build.7 | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/share/man/man7/build.7 b/share/man/man7/build.7
index 5ca44c51cf56..1df9b084726f 100644
--- a/share/man/man7/build.7
+++ b/share/man/man7/build.7
@@ -25,7 +25,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd January 10, 2025
+.Dd February 3, 2025
 .Dt BUILD 7
 .Os
 .Sh NAME
@@ -449,6 +449,8 @@ include:
 .Bl -tag -width ".Cm delete-old-libs"
 .It Cm check-old
 Print a list of old files and directories in the system.
+.It Cm check-old-libs
+Print a list of obsolete base system libraries.
 .It Cm delete-old
 Delete obsolete base system files and directories interactively.
 When