ffix: add space between word and punctuation if BR or IR

Detected through the regex:
	git grep -P '^\.(BR|IR) [^ ]*[,\.]$'

Could probably be extended to match more cases and fix in perl.

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>

man2/prctl.2

@@ -332,7 +332,7 @@ set to 0 clears the caller's "ptracer process ID".
 If
 .I arg2
 is
-.BR PR_SET_PTRACER_ANY,
+.BR PR_SET_PTRACER_ANY ,
 the ptrace restrictions introduced by Yama are effectively disabled for the
 calling process.
 
@@ -851,7 +851,7 @@ is
 .BR PR_SET_MM_START_DATA ,
 .BR PR_SET_MM_END_DATA ,
 or
-.BR PR_SET_MM_START_STACK,
+.BR PR_SET_MM_START_STACK ,
 and the permissions of the corresponding memory area are not as required;
 .IP *
 .I arg2

man2/quotactl.2

@@ -325,7 +325,7 @@ argument should be a pointer to a
 .I dqstats
 structure in which data should be stored.
 This structure is defined in
-.IR <sys/quota.h>.
+.IR <sys/quota.h> .
 The
 .I special
 and

man3/string.3

@@ -146,7 +146,7 @@ Compare at most
 bytes of the strings
 .I s1
 and
-.IR s2.
+.IR s2 .
 .TP
 .BI "char *strncpy(char *" dest ", const char *" src ", size_t " n );
 Copy at most

man4/hpsa.4

@@ -70,7 +70,7 @@ and
 the RAID controller via the SCSI generic driver
 .RB ( sg (4)),
 with device nodes named
-.IR /dev/sd*,
+.IR /dev/sd* ,
 .IR /dev/st* ,
 and
 .IR /dev/sg* ,

man5/gai.conf.5

@@ -91,5 +91,5 @@ precedence ::ffff:0:0/96  10
 .\" Ulrich Drepper <drepper@redhat.com>
 .\"
 .SH SEE ALSO
-.BR getaddrinfo(3),
+.BR getaddrinfo(3) ,
 RFC\ 3484