trivial fortran fix: f/intdoc.in

[Dave Love]

I checked this in to keep the makeinfo pretest happy.  There are some
others in g77.texi, but I have some extra changes for that.

1998-11-19  Dave Love  <d.love@dl.ac.uk>

	* intdoc.in: Terminate some @xrefs with `,'.

Index: intdoc.in
===================================================================
RCS file: /egcs/carton/cvsfiles/egcs/gcc/f/intdoc.in,v
retrieving revision 1.10
diff -u -p -r1.10 intdoc.in
--- intdoc.in   1998/09/05 10:34:28     1.10
+++ intdoc.in   1998/11/19 15:22:50
@@ -1288,7 +1288,7 @@ DEFDOC (SECOND_subr, "Get CPU time for p
 Returns the process's runtime in seconds in @var{@1@}---the same value
 as the UNIX function @code{etime} returns.
 
-This routine is known from Cray Fortran.  @xref{CPU_Time Intrinsic}
+This routine is known from Cray Fortran.  @xref{CPU_Time Intrinsic},
 for a standard equivalent.
 ")
 
@@ -2429,7 +2429,7 @@ If the absolute value of the shift count
 Bits shifted out from the left end or the right end are lost.
 Zeros are shifted in from the opposite end.
 
-@xref{IShftC Intrinsic} for the circular-shift equivalent.
+@xref{IShftC Intrinsic}, for the circular-shift equivalent.
 ")
 
 DEFDOC (ISHFTC, "Circular bit shift.", "\
@@ -2445,7 +2445,7 @@ must be less than or equal to @var{@3@}.
 The value of @var{@3@} must be greater than or equal to one and less than 
 or equal to @samp{BIT_SIZE(@var{@1@})}.
 
-@xref{IShft Intrinsic} for the logical shift equivalent.
+@xref{IShft Intrinsic}, for the logical shift equivalent.
 ")
 
 DEFDOC (MVBITS, "Moving a bit field.", "\