Remove 'fname' from zip_source_win32handle(3).

Closes #432.

man/zip_source_win32handle.mdoc

@@ -29,7 +29,7 @@
 .\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
 .\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
-.Dd December 18, 2017
+.Dd May 14, 2024
 .Dt ZIP_SOURCE_WIN32HANDLE 3
 .Os
 .Sh NAME
@@ -50,9 +50,7 @@ The functions
 and
 .Fn zip_source_win32handle_create
 create a zip source from a Windows file handle.
-They open
-.Ar fname
-and read
+They read
 .Ar len
 bytes from offset
 .Ar start
@@ -85,17 +83,13 @@ and
 fail if:
 .Bl -tag -width Er
 .It Bq Er ZIP_ER_INVAL
-.Ar fname ,
+.Ar h ,
 .Ar start ,
 or
 .Ar len
 are invalid.
 .It Bq Er ZIP_ER_MEMORY
 Required memory could not be allocated.
-.It Bq Er ZIP_ER_OPEN
-Opening
-.Ar fname
-failed.
 .El
 .Sh SEE ALSO
 .Xr libzip 3 ,