keyctl.2, mlock.2, timerfd_create.2, write.2, nl_langinfo.3, posix_spawn.3: ffix

Reported-by: Bjarni Ingi Gislason <bjarniig@rhi.hi.is>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>

man2/keyctl.2

@@ -1476,7 +1476,7 @@ the kernel MPI implementation,
 and allows access to secure or acceleration hardware.
 .IP
 Adding support for DH computation to the
-.BR keyctl()
+.BR keyctl ()
 system call was considered a good fit due to the DH algorithm's use
 for deriving shared keys;
 it also allows the type of the key to determine

man2/mlock.2

@@ -459,7 +459,7 @@ value for the process that exceeded the
 limit, with the result that
 .BR mlock ()
 and
-.BR mlock2()
+.BR mlock2 ()
 would fail on requests that should have succeeded.
 This bug was fixed
 .\" commit 0cf2f6f6dc605e587d2c1120f295934c77e810e8

man2/timerfd_create.2

@@ -339,7 +339,7 @@ multiplexing APIs:
 and
 .BR epoll (7).
 .TP
-.BR ioctl "(2)"
+.BR ioctl (2)
 The following timerfd-specific command is supported:
 .RS
 .TP

man2/write.2

@@ -289,11 +289,11 @@ returning the number of bytes actually transferred.
 (This is true on both 32-bit and 64-bit systems.)
 .PP
 An error return value while performing
-.BR write()
+.BR write ()
 using direct I/O does not mean the
 entire write has failed. Partial data may be written
 and the data at the file offset on which the
-.BR write()
+.BR write ()
 was attempted should be considered inconsistent.
 .SH BUGS
 According to POSIX.1-2008/SUSv4 Section XSI 2.9.7

man3/nl_langinfo.3

@@ -50,11 +50,11 @@ and
 functions provide access to locale information
 in a more flexible way than
 .BR localeconv (3).
-.BR nl_langinfo()
+.BR nl_langinfo ()
 returns a string which is the value corresponding to
 \fIitem\fP in the program's current global
 locale.
-.BR nl_langinfo()
+.BR nl_langinfo ()
 returns a string which is the value corresponding to \fIitem\fP
 for the locale identified by the locale object \fIlocale\fP,
 which was previously created by

man3/posix_spawn.3

@@ -147,7 +147,7 @@ that is executed in the child process, as for
 .BR execve (2).
 .PP
 Below, the functions are described in terms of a three-step process: the
-.BR fork()
+.BR fork ()
 step, the
 .RB pre- exec ()
 step (executed in the child),