In renice(8), replace exit(3) call in main() with return

[Rafael Neves]

Hi,

The patch bellow replaces an exit(3) call in main() to a return to enable the 
stack protector.


Index: usr.bin/renice/renice.c
===================================================================
RCS file: /cvs/src/usr.bin/renice/renice.c,v
retrieving revision 1.19
diff -u -p -r1.19 renice.c
--- usr.bin/renice/renice.c     22 Oct 2015 07:52:29 -0000      1.19
+++ usr.bin/renice/renice.c     17 Sep 2016 16:16:17 -0000
@@ -149,7 +149,7 @@ main(int argc, char **argv)
        }
        if (pri_type == RENICE_NONE)
                usage();
-       exit(renice(params, p));
+       return(renice(params, p));
 }
 
 static int