minor xfopen code-duplication removal

[Paul Eggert]

I installed this patch.

2002-11-14  Paul Eggert  <address@hidden>

        * src/output.c (output_skeleton): Call xfopen instead of
        duplicating xfopen's body.

Index: output.c
===================================================================
RCS file: /cvsroot/bison/bison/src/output.c,v
retrieving revision 1.210
retrieving revision 1.211
diff -p -u -r1.210 -r1.211
--- output.c    12 Nov 2002 08:13:10 -0000      1.210
+++ output.c    15 Nov 2002 01:28:40 -0000      1.211
@@ -526,10 +526,7 @@ output_skeleton (void)
   strcpy (full_path, pkgdatadir);
   full_path[pkgdatadirlen] = '/';
   strcpy (full_path + pkgdatadirlen + 1, m4sugar);
-  in = fopen (full_path, "r");
-  if (! in)
-    error (EXIT_FAILURE, errno, "%s", full_path);
-  xfclose (in);
+  xfclose (xfopen (full_path, "r"));
   strcpy (full_path + pkgdatadirlen + 1, skeleton);
 
   /* Create an m4 subprocess connected to us via two pipes.  */