Removed superfluous quoting of function args.

lib/libc/sys/getlogin.2

@@ -88,9 +88,9 @@ which is an ideal way of detaching from a controlling terminal and
 forking into the background.
 .Pp
 In particular, doing a
-.Fn "ioctl" "ttyfd" "TIOCNOTTY" "..."
+.Fn ioctl ttyfd TIOCNOTTY ...
 or
-.Fn "setpgrp" "..."
+.Fn setpgrp ...
 is
 .Em NOT
 sufficient.

lib/libc/sys/getpgrp.2

@@ -40,7 +40,7 @@
 .Sh SYNOPSIS
 .Fd #include <unistd.h>
 .Ft pid_t
-.Fn getpgrp "void"
+.Fn getpgrp void
 .Ft pid_t
 .Fn getpgid "pid_t pid"
 .Sh DESCRIPTION

lib/libc/sys/setsid.2

@@ -40,7 +40,7 @@
 .Sh SYNOPSIS
 .Fd #include <unistd.h>
 .Ft pid_t
-.Fn setsid "void"
+.Fn setsid void
 .Sh DESCRIPTION
 The
 .Fn setsid

lib/libc/sys/shmctl.2

@@ -23,7 +23,7 @@
 .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
-.\" $Id: shmctl.2,v 1.5 1997/02/22 15:04:26 peter Exp $
+.\" $Id: shmctl.2,v 1.6 1997/03/18 23:57:31 bde Exp $
 .\"
 .Dd July 17, 1995
 .Dt SHMCTL 2
@@ -86,7 +86,7 @@ or the process must have superuser privileges.
 .El
 .Pp
 The
-.Fa "shmid_ds" 
+.Fa shmid_ds
 struct is defined as follows:
 .\"
 .\" I fiddled with the spaces a bit to make it fit well when viewed