K&R -> ANSI functions in config(8)

[Theo Buehler]

Trivial, but config is important, so I'd rather have an ok.

Index: scan.l
===================================================================
RCS file: /cvs/src/usr.sbin/config/scan.l,v
retrieving revision 1.24
diff -u -p -r1.24 scan.l
--- scan.l      9 Jul 2017 14:04:50 -0000       1.24
+++ scan.l      1 May 2023 19:36:28 -0000
@@ -178,8 +178,7 @@ rmoptions   return RMOPTIONS;
  * Open the "main" file (conffile).
  */
 int
-firstfile(fname)
-       const char *fname;
+firstfile(const char *fname)
 {
 
        if ((yyin = fopen(fname, "r")) == NULL)
@@ -197,9 +196,7 @@ firstfile(fname)
  * If ateof == 0 then nothing is inserted.
  */
 int
-include(fname, ateof)
-       const char *fname;
-       int ateof;
+include(const char *fname, int ateof)
 {
        FILE *fp;
        struct incl *in;