getent: usage() is void

[Klemens Nanni]

OK?

Index: getent.c
===================================================================
RCS file: /cvs/src/usr.bin/getent/getent.c,v
retrieving revision 1.16
diff -u -p -r1.16 getent.c
--- getent.c    25 Sep 2018 06:48:48 -0000      1.16
+++ getent.c    25 Sep 2018 19:41:04 -0000
@@ -55,7 +55,7 @@
 
 #include <rpc/rpc.h>
 
-static int     usage(void);
+static void    usage(void);
 static int     ethers(int, char *[]);
 static int     group(int, char *[]);
 static int     hosts(int, char *[]);
@@ -115,12 +115,11 @@ main(int argc, char *argv[])
        return RV_USAGE;
 }
 
-static int
+static void
 usage(void)
 {
        fprintf(stderr, "usage: %s database [key ...]\n", __progname);
        exit(RV_USAGE);
-       /* NOTREACHED */
 }
 
 /*