PATCH: libiberty doc fix

[Ben Elliston]

I'm thinking this is probably obvious.  OK for mainline?

2006-10-25  Ben Elliston  <bje@au.ibm.com>

        * pexecute.txh: Wrap one of pexecute's arguments with @var {..}.

Index: pexecute.txh
===================================================================
--- pexecute.txh        (revision 118013)
+++ pexecute.txh        (working copy)
@@ -259,7 +259,7 @@ be set to the exit status of the program
 
 @end deftypefn
 
-@deftypefn Extension int pexecute (const char *@var{program}, char * const *@var{argv}, const char *@var{this_pname}, const char *@var{temp_base}, char **@var{errmsg_fmt}, char **@var{errmsg_arg}, int flags)
+@deftypefn Extension int pexecute (const char *@var{program}, char * const *@var{argv}, const char *@var{this_pname}, const char *@var{temp_base}, char **@var{errmsg_fmt}, char **@var{errmsg_arg}, int @var{flags})
 
 This is the old interface to execute one or more programs.  It is
 still supported for compatibility purposes, but is no longer