vfs_getopt(9): fix typo

[skip ci]

Reported by:	Claudiu <[email protected]>
MFC after:	2 weeks

share/man/man9/vfs_getopt.9

@@ -24,7 +24,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
 .\" DAMAGE.
 .\"
-.Dd July 31, 2011
+.Dd May 19, 2024
 .Dt VFS_GETOPT 9
 .Os
 .Sh NAME
@@ -46,7 +46,7 @@
 .Fa "struct vfsoptlist *opts" "const char *name" "void **buf" "int *len"
 .Fc
 .Ft "char *"
-.Fn vfs_getops "struct vfsoptlist *opts" "const char *name" "int *error"
+.Fn vfs_getopts "struct vfsoptlist *opts" "const char *name" "int *error"
 .Ft int
 .Fo vfs_flagopt
 .Fa "struct vfsoptlist *opts" "const char *name" "uint64_t *flags" "uint64_t flag"
@@ -177,7 +177,7 @@ function returns 0 if the option was found; otherwise,
 is returned.
 .Pp
 The
-.Fn vfs_getops
+.Fn vfs_getopts
 function returns the specified option if it is found, and is
 .Dv NUL
 terminated.